![]() ![]() You will receive a confirmation message via email after you have successfully submitted an Accommodation Request Form.We cannot accept accommodation requests that are submitted by email. Click on ‘ Apply for Accommodations’ button at the bottom of this page to complete an accommodation request and to attach your supporting documentation.Gather documentation as described by disability type in the GMAT™ Supplement for Test Takers with Disabilities: Attention-Deficit/Hyperactivity Disorder (ADHD), Learning and Cognitive Disorders, Physical and Systemic Disabilities, Psychological Disabilities, Sensory Disabilities (Vision and Hearing).Read both the GMAT™ Handbook and the GMAT™ Supplement for Test Takers with Disabilities carefully.If we approve your request, we will give you directions at that time as to how to schedule accommodated testing appointments. ![]() A standard testing appointment cannot be changed to an accommodated testing appointment, and you cannot register for an accommodated testing appointment until and unless we approve your accommodation request. It is important that you do not register for the GMAT until you receive an accommodation decision. Create a candidate profile in MBA.com that captures your contact information and provides an ID number.If you believe you have a disability that prevents you from taking the GMAT Exam under standard conditions, you may request accommodations by completing these steps: Requesting Reasonable Test Accommodations if You Have a Disability The Supplement provides additional guidance on the process for requesting GMAT accommodations by disability type. The GMAT™ Handbook provides critical information that every test taker, with or without a disability, must know to take the GMAT exam. Most importantly, read both the GMAT™ Handbook and the GMAT™ Supplement for Test Takers with Disabilities carefully. Review the six steps below for information about the accommodation request process. Please email or call the Office of Testing & Evaluation Services at 12255781145 at least 48 business hours in advance to make these arrangements.Register as a Test Taker with Disabilities The LSU Testing Center may do so in 102 Himes Hall. With short-term physical injuries who wish to take their already scheduled test at The LSU Testing Center (basement location) is not elevator accessible, however, test-takers *ODS - Office of Disability Services testing office is located in 122 Johnston Hall and may be reached at 2255782613. *LSU Testing Center is not elevator accessible - For students using wheelchairs, follow If any assistance is needed accessing the PDF, please email or call the Office of Testing & Evaluation Services at 12255781145. Please see the ADA Accommodations Process PDF for a quick guide to computer-based testing accommodations at LSU. Please visit the Office of Disability Services for more information. All exam requests must be submitted at least three business days in advance. Students must register to take an exam in Disability Services via the Exam Request Form. To schedule their exams through the Office of Disability Services. If students have other disability accommodations beyond extended time they will need If another software system, the instructor must make the adjustment.Services makes the change for the instructor. If Questionmark, the instructor emails with a list of students requiring extending time and the Office of Testing & Evaluation.This processĭiffers whether the exam is being provided in Questionmark, which the LSU TestingĬenter provides, or another software system, such as Pearson, Wiley, Simnet, Cengate, The extended time will need to be entered into the exam delivery software. ![]() Instructors who need information on how to add extended time can visit the Faculty Testing Center page. In the test scheduling system in Moodle via the SmarterProctoring external tool.
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![]() ![]() When he fucks her doggy style on the bed, he holds her ass open, so that her butthole nearly gapes. Jane's pussy swallows his cock hole every time he thrusts into her. He throws her on the floor, and pushes her ass up and face down in the carpet. Then she leans back to ride him, her pussy juice leaking down the shaft of his penis. He jams his cock into her pussy and starts pumping hard and fast. Jane bends over while her man is still sitting down. Once her man's cock is hard from staring at her fucked open cunt, she gets back to sucking his dick, lubing it up so that he can fuck her pussy one more time. So she shows off her holes, spreading her ass, so that her pussy and butthole wink and gape open. She happily participated and with the way how they looked at each other, Jane eventually gives up and just starts seducing her way into James’ pants. To do some kind of intro, James had an idea to have a little Vlog going on and talk about few things with Jane Wilde. Seeing how slutty her outfit and demeanor is, it’s a natural course if she gets fucked in this. That’s what all that matters, right? Jane Wilde is one of those friends that hang out with James. Well, it’s true that almost all of them ends up getting fucked hard but at least everyone’s happy and satisfied. JD gives Jane a warm hug after the brutal fucking.ħ:55 Jane Wilde in Jane Wilde's: Night Of Hanging Turns To Night Of Fucking 7:55 Hanging out with James Deen has been great for the people he invited for them. The horny duo continues to fuck each other like sex-crazed animals until James cums all over Jane's body. It's amazing how her tiny body can handle such brutal pussy and ass punishment. JD continues to fuck Jane in the pussy and ass until the horny slut starts shaking hard while cumming over and over again. He rams his big cock into Jane's tight asshole, stretching it out beyond its limits. The king of rough sex will not stop until all of Jane's hole is gaping wide. The petite girl can't help but moan as James destroys her pussy in multiple positions. After the intense throatfucking, JD fucks Jane's pussy from behind. James then rubs his cock all over Jane's face, smearing her makeup with her own spit. He pushes his cock balls-deep into the slut's mouth until she gags hard. After having his fill of Jane's sweet pussy juice, JD sticks his cock down Jane's throat without any hesitation. He licks and sucks her pussy and clit in different positions until Jane shakes in absolute carnal pleasure. James eats out Jane's cunt like a hungry stud. He devours Jane's tight and hairy pussy while punishing her mouth with his hands. He approaches the petite slut in rainbow lingerie, cat ears, and pigtails with burning lust in his eyes. The king of rough sex wastes no time at all in fulfiling his duty. JD takes it upon himself to turn Jane into the perfect cockwhore. Luckily, James Deen is an expert in turning innocent teens into hardcore fuck dolls. ![]() This stunning brunette may look innocent and naive, but deep inside her lies a horny beast waiting to be unleashed. 7:55 Jane Wilde in Jane Wilde: Gets Her Tight Teen Ass Wrecked 7:55 Jane Wilde is the perfect example of how looks can be very misleading. ![]() ![]() ![]() ![]() Microsoft Office was first introduced to the market by Bill Gates on August 1, 1988, at a computer trade show in Las Vegas. ![]() Microsoft Visio ( diagrams / flowchart).Microsoft Publisher ( desktop publishing).Microsoft OneNote ( collaboration tool).The more advanced or professional Office suite includes the software above and some or all of the following. Microsoft PowerPoint ( presentation program).Microsoft Word ( word processor / word processing).The basic, or standard Office suite includes the following. The software included in Microsoft Office depends on the type of Office suite being purchased. It is widely used in business and educational environments to create, view, and edit documents, spreadsheets, and presentations. Microsoft Office is a software suite developed and published by Microsoft. Computer Hope jobs and hiring information.Ģ.What jobs are being taken over by robots and computers?.What jobs are available in the computer industry?.Products and Capabilities – Obtain more details on the specific guidance FastTrack provides for each Microsoft 365 product or capability and our expectations for your source environment prior to the start of that work.ĭata Migration – Understand the type of data FastTrack will migrate into your Microsoft 365 environment and specifics around the process and limitations. Process and Expectations – Learn how to engage FastTrack for assistance, get an overview of how that assistance is provided, receive tips for a successful experience, and understand key responsibilities of both FastTrack and your company. To facilitate this, it’s broken into four sections:Įligibility – Understand if your purchase is eligible for FastTrack assistance and identify the Microsoft 365 services covered by FastTrack Specialists. The FastTrack service description is designed to help business stakeholders and IT teams understand the FastTrack benefit and answer key questions, including: What purchases are eligible? How to get help? What can I expect of FastTrack? What obligations do I have? How does the engagement work? What about data migration? Since FastTrack guidance is tailored to you and your environment, your experience may be impacted if you choose to deploy outside of this guidance. FastTrack Specialists can include Microsoft employees, Microsoft-approved vendors, and Microsoft-approved partners.įastTrack offers assistance in the following languages: Traditional Chinese and Simplified Chinese (resources speak Mandarin only), English, French, German, Italian, Japanese, Korean, Portuguese (Brazil), Spanish, Thai, and Vietnamese. They strive to understand your plans and uses for the eligible Microsoft products you’ve purchased and provide you with a recommended approach tailored to your environment that helps you achieve your goals. FastTrack personnel cannot act on your behalf but instead provide you with a combination of verbal and written assistance and best practices to help you successfully enable your eligible services and allow your users to take full advantage of your Microsoft 365 purchase.Īs previously mentioned, FastTrack Specialists work with you remotely. You can use FastTrack services with a new or existing qualifying subscription.Īll FastTrack guidance is provided to you or your representative remotely using a combination of tools and published documentation. In this article What is FastTrack for Microsoft 365?įastTrack is a benefit designed to help you deploy Microsoft 365 (included in eligible subscriptions) at no additional cost. ![]() ![]() Local co-op works in just about every game mode, including Volta, Kick-Off, and the microtransaction-heavy, FIFA Ultimate Team. Unlike some other co-op games with online multiplayer, only one of these players will need to have a PS Plus account, with the other able to join as a guest by pressing the Triangle button. To climb, jump up against the wall you want to. Up to four local players can play the game offline, while two can play together while connected to PSN. Does Fall Guys have split-screen multiplayer What is Grab used for in Fall Guys grab onto them, which is necessary for some courses. FIFA 23 takes this one step further and offers great local multiplayer support. FIFA 22's HyperMotion technology helped the game feel like a true next-gen title and made it one of the most realistic football games ever made, both in terms of its mechanics and its visuals. For years it has felt like the franchise has been treading water, though that's not really the case with the series' last few entries. ![]() Like many other long-running sports sims, EA's FIFA franchise is often criticized for its lack of innovation, and for good reason. While playing online, it's also possible for additional players to drop into the session, although the maximum number of players at any given time is four. The game features both horizontal and vertical options and, exclusively on next-gen consoles, as many as four players can get involved at once. ![]() The Borderlands games have always done an excellent job of incorporating split-screen and this is once again the case in Borderlands 3. It looks great too, and while some may bemoan the lack of innovation, they can at least be thankful that loot drops remain free rather than being locked behind aggressive and predatory microtransactions. That's not necessarily a bad thing though, with the latest entry providing all of the same carnage and loot-oriented gameplay that made earlier entries so enjoyable. ![]() Gearbox Software's Borderlands series hasn't changed all that much since making its debut back in late 2009. ![]() ![]() ![]() The layers of built-up flat roofing can make it very heavy, so your home will need a thorough evaluation to be sure the structure can bear the weight. This option has become popular because they’re aesthetically pleasing, they make your home more energy efficient, and they are quite durable thanks to the many layers. These coatings will add cost but are well worth it to prevent water damage.īuilt-up flat roofs are a mixture of tar and gravel. So, it’s important that the flat roof installation contractors make sure the seams are sprayed with a protective sealant. EPMD flat roofs are easy to install, but they’re also prone to leakages. Most often used for large office spaces, it’s a durable and affordable option for flat roofing. So, in the case of a renovation, the entire roof would need to be demolished and replaced.ĮPDM, or ethylene propylene diene monomer, flat roofs are just a fancy way to say that these roofs are made from a synthetic blend of rubber. As for downsides, you won’t be able to install any other kind of roofing on top of metal flat roofs as you could with asphalt shingles, for example. This material lasts more than thirty years and reflects heat, making it an energy efficient option. Metal flat roofs are the most common and are typically made out of aluminum, which is exceptionally durable. As always, we encourage consumers to perform their own research, to the extent possible, before hiring any business.There are four major types of flat roofs including metal, EPDM, built-up, and modified bitumen. As affected government agencies and courts begin to re-open, we will resume our program in those jurisdictions. Please be advised that, during this period, if we could not perform a background check, HomeAdvisor will allow the business into the network and match the business to consumers. While HomeAdvisor will continue its background check program to the extent possible, these closures could prevent some background checks from being performed. How is COVID-19 impacting the HomeAdvisor background check program?ĭue to the coronavirus pandemic, several government agencies and courts across the country have temporarily closed their offices. After initial admission to the HomeAdvisor network, businesses are re-screened biennially. Please be aware that the reporting in the NCD is particularly limited in the following states: AL, CO, DE, GA, ID, IL, KS, LA, ME, MA, MI, MS, MT, NE, NV, NH, NM, SD, UT, VA, VT, and WY. *The comprehensiveness of the NCD varies by state. ![]() Our background check does not exclude service professionals unless the crime at issue is a felony. Contracting without a license in the past seven years.Other felonies not listed above that occurred in the past seven years.Manslaughter/murder/homicide/vehicular homicide.Businesses will not be admitted to the network if their owners or principals have the following felonies in their available criminal records*: ![]() Our third-party vendor uses a national criminal database ("NCD") to screen service professionals. We use a third-party vendor to conduct a criminal records search in the state in which the business owner or principal works. As always, we recommend that you conduct your own research on the businesses you hire, including making inquiries directly with the businesses regarding their employee background check policies. Unfortunately, we cannot perform a background check on every employee of a business-the background checks are performed only on the owner or principal. The owner or principal of each business in HomeAdvisor's network (with the exception of Corporate Accounts) must pass a background check. Criminal Background Check Who does HomeAdvisor background check? ![]() ![]() ![]() GoodRx WebThe Medicine Shop was going to charge $170 for a 3 month supply of my medication, I paid $21.00 for the exact same 3 month prescription at Costco ! ND is … dr keith hechtman miami Popular Pet Medications List, Drug Prices and Medication. Contains no artificial growth hormones‡ and is non- GMO.§ * Not for infants or children with galactosemia.Ĭostco Membership Prescription Program - Rx Discount … Our formula also has nutrition designed for immune support, brain development, and digestive health. WebSimilac 360 Total Care Infant Formula is made with an exclusive blend of 5 HMO prebiotics structurally identical to those in breast milk. Visit your local Costco warehouse for current product inventory and to see if we stock what you are … dr keith heier Heartgard for Dogs Prices, Coupons & Savings Tips - GoodRx WebCostco carries items in our warehouses which may not be available online. Pet medications at costco pharmacy answer WebLenovo ThinkPad T14s 14" Laptop - 12th Gen Intel Core i7-1255U - Windows 11 12th Gen Intel® Core™ i7-1255U (10-Core) Processor Intel® Wi-Fi 6E (2x2/160) Gig+ and Bluetooth® 5.1 Integrated FHD IR Webcam Microsoft® Windows 11 Home (64-bit) Backlit Keyboard with Fingerprint Reader Using the Costco Pharmacy? 8 Important Things You Gotta … Pet medications at costco pharmacy answer Walmart Pet Pharmacy Pet Medications Pet Suppliesĭo I need a membership to purchase prescription drugs? - Costco The site offers prescription medication for dogs, cats, and horses, is easy to … 1-800-PetMeds is one of the best-known online pet pharmacies, and their reputation is well deserved. The sale of pseudo medication in the US is limited to a certain amount per month, thus the practice of "smurfing", where multiple people buy the monthly limit of pseudo is often employed.Panera Bread Four $25 E-Gift Cards Costco.In the show the boxes seen appear to be some generic name. In United States, the main product containing pseudo is Sudafed. ![]() When problems quickly surfaced with Lydia's supply, Mike also suggested going back to pseudoephedrine, although in this case it was less of a genuine suggestion, and more a way of testing Walt's resolve to go through with a train robbery that would require killing both engineers on-board (though the matter was rendered moot when Jesse worked out how they could steal methylamine from the train without alerting anyone). Walt refused this idea however, and Mike Ehrmantraut was eventually able to solve the problem by extorting Lydia Rodarte-Quayle into supplying them with methylamine. (" Seven Thirty-Seven") Season 5 Īfter the destruction of Gustavo Fring's operation, Jesse suggested to Walt that they temporarily revert to using pseudoephedrine in their cook, as by now the supply of methylamine was also being tightly controlled in response to the popularity of Blue Sky. ![]() On watching the CCTV footage of Walt and Jesse's break-in, Hank Schrader initially puzzled over why they chose to steal methylamine, before correctly theorizing that they were crystal meth cooks who intended to use it to remove the production bottleneck that pseudoephedrine caused. (" A No-Rough-Stuff-Type Deal") Season 2 Walt had already taken this into consideration however, and designed a new cooking process based around methylamine. (" Gray Matter")Īfter Walt made a deal with Tuco Salamanca to supply a large quantity of crystal meth, Jesse pointed out that the difficulty of obtaining pseudoephedrine meant that there was no feasible way that they could make enough to honor the deal. Badger was furious that Jesse had wasted such a large amount of the hard-to-obtain substance, and attempted to physically assault him, forcing Jesse to leave him in the desert. (" Pilot")įollowing Walt's initial refusal to cook a second batch, Jesse had his friend Badger obtain supplies of pseudoephedrine, and used it up in an unsuccessful attempt to replicate the purity of Walt's crystal meth. During their first cook together, Jesse explained to Walt that pseudoephedrine was the key ingredient in the process, and admonished him not to waste it. ![]() ![]() ![]()
![]() ![]() Their site is designed extremely well, and each product has a detailed analysis of what's included and how to set it up to ensure you get the most out of your purchase. Nerd or Die is at the top of our list for graphics. Yes, Nerd or Die offers a few free resources that are just as amazing as their products. Most of their products are compatible with:Īnd did we mention that Nerd or Die creates custom event lists, chat boxes and stream widgets that are compatible with Streamlabs and StreamElements?! ![]() And they have a mix of free and premium products, all of which will make your stream look sleek and professional. Nerd or Die has some of the best graphics available for streamers on all platforms. Their goal is to make stuff they're proud of, and it shows. Originally starting as a tutorial website and YouTube channel, Nerd or Die has evolved into a brand that creates products, custom designs, free resources, and tutorials for anyone looking to enter into the live streaming world. VBI now has a few tools that help streamers build their own panels and stinger transitions. They also stream the custom design process live on Twitch which is a great opportunity to learn more about what goes into visual streaming design and potentially teach you how to create future assets on your own. Their library is also constantly rotating in new premium and free products to check out, meaning that even if nothing looks like a great fit at the moment, in just a few weeks you’ll have brand new options to choose from.Īs an added benefit, the team at Visuals by Impulse also puts out a regular blog about their new assets, streaming best practices and design features. You can go the personalized route, buy pre-made templates, test out free options or just purchase one off assets to build out your visuals on your own. The real benefit of using Visuals by Impulse is the diverse array of options available. Visuals by Impulse provides a mix of free and premium overlays, alerts, packages and more for Twitch, Facebook, and YouTube users. These assets will range from just a few bucks to closer to the cost of packages depending on the amount being purchased, popularity and a handful of other factors. Other ProductsĪs mentioned before, if you don’t need a full theme of assets, OWN3D also provides a vast library of single or groups of graphics and animations, including: It integrates with OBS, making your life easier to get your stream looking polished and professional. For $10/month you get access to ALL premium OWN3D graphics, as well as access to a custom chatbot, donation software, and copyright-free music. More often than not, OWN3D has a site-wide sale on almost, if not all, products. ![]() The Premium Packages typically go for $80.99 and the Basic Packages for $49.99. If you do decide to purchase an asset you can go for a one off item or choose a package. Meant for new streamers, these courses and tutorials are meant to help growing streamers get ahead and know how to use themes, notifications and any other asset before purchasing. OWN3D acts more like a traditional marketplace, with full packages and one-off assets available for purchase, but the major difference that makes them stand out is their free courses. They offer a mix of free streaming elements, as well as Basic and Premium packages that provide an advanced setup of themes, overlays and websites. is an all-in-one marketplace for streamers, as well as an educational platform for those just kicking off their streaming careers. ![]() ![]() Hannah is our senior homes writer, specialising in reviewing the latest kitchen appliances, cleaning products, mattresses and bedding, and crafting equipment. Overall, each air fryer is then scored according to its performance, ease of use, design, instructions and accompanying information. Finally, they make fairy cakes, to judge how well the appliance can bake and how evenly air circulates – the fluffier and better baked the cakes, the more efficient the air flow. Then they judge (and try!) the results, looking for crispy, golden skin and moist meat.Ĭhips are next they look for quickly cooked, well-browned and crunchy skins that house fluffy interiors. Depending on the capacity and type of fryer, they either roast a whole chicken or cook chicken kievs, monitoring how long it takes for the chicken to reach 75C. The experts at the GHI cook up a small feast to find the best air fryers. Lastly, it’s worth thinking about clean-up – most of the fryers on our list have dishwasher-proof baskets and accessories, while the two oven air fryers we’ve featured have removable doors to help ensure you’re keeping your machine as clean as possible. We’ve also included one machine that doubles as a health grill. Some on our list, such as the Instant Pot Duo Crisp + Air Fryer, are actually multi-cookers, giving you multiple appliances in one, including a slow cooker or dehydrator as well as an air fryer. Again, these tend to be fairly weighty appliances. There are also oven-style air fryers that often come with rotisserie accessories, so you can roast a full chicken for example. Those with two are particularly handy if you want to cook different foods at the same time, but they can take up a lot more room in the kitchen than their more compact counterparts. Not all air fryers are created equal – there are a few different designs to choose between.īasket-style air fryers have one or two drawers where you place your food for cooking. Not to mention, most air fryers are an expensive initial investment, meaning it will take a while for savings on your energy bill to cancel out their cost. However, if you need to use an air fryer multiple times to make enough food to feed your household, you’re probably better off cooking everything in one go in the oven. They certainly are time and energy efficient the cheapest on test to roast a small chicken was the Tower T17100 Vortx Vizion Dual Basket Air Fryer, which used just 17p of electricity over 30 minutes of cooking time. You may have read recently that an air fryer can save you money on your electricity bills. They work by blasting hot air around the basket or oven instead, producing crispy and fluffy chips or moist chicken that’s healthier than if the food had been coated in oil. Rather than submerging food in oil, air fryers use very little – in our tests we used one tablespoon of oil as standard – to bake food quickly. ![]() ![]() In a nutshell, air fryers use an alternative cooking method to deep frying. ![]() ![]() (Note that the electron is assigned an “atomic number” of –1, equal to its charge.) Gamma Radiation (γ) Carbon-14 decays by emitting a beta particle:Īgain, the sum of the atomic numbers is the same on both sides of the equation, as is the sum of the mass numbers. The overall mass number stays the same, but because the number of protons increases by one, the atomic number goes up by one. ![]() The net effect of beta particle emission on a nucleus is that a neutron is converted to a proton. We can also represent a beta particle as -1 0 e. A beta particle is an electron ejected from the nucleus (not from the shells of electrons about the nucleus) and has a -1 charge. The second type of radioactive emission is called a beta particle, which is symbolized by the Greek letter β. Thus we use subtraction to identify the isotope of the Th atom-in this case, 90 231Th. Moreover, if we lose four nuclear particles of the original 235, there are 231 remaining. If our uranium nucleus loses 2 protons, there are 90 protons remaining, identifying the element as thorium. This means we must have the same number of protons and neutrons on both sides of the nuclear equation. How do we know that a product of this reaction is 90 231Th? We use the law of conservation of matter, which says that matter cannot be created or destroyed. Rather than calling this equation a chemical equation, we call it a nuclear equationto emphasize that the change occurs in an atomic nucleus. We can represent the emission of an alpha particle with a chemical equation-for example, the alpha-particle emission of uranium-235 is as follows: When a radioactive atom emits an alpha particle, the original atom’s atomic number decreases by two (because of the loss of two protons), and its mass number decreases by four (because of the loss of four nuclear particles). (We often use 2 4He to represent an alpha particle.) It has a 2+ charge. An alpha particle is composed of two protons and two neutrons and is the same as a helium nucleus. The first is called an alpha particle, which is symbolized by the Greek letter α. ![]() Rutherford’s experiments demonstrated that there are three main forms of radioactive emissions. The alpha particle removes two protons (green) and two neutrons (gray) from the uranium-238 nucleus.ģ.1 Major Forms of Radioactivity Alpha Particle (α) The radiation produced during radioactive decay is such that the daughter nuclide lies closer to the band of stability than the parent nuclide, so the location of a nuclide relative to the band of stability can serve as a guide to the kind of decay it will undergo (Figure 3.1).įigure 3.1 A nucleus of uranium-238 (the parent nuclide) undergoes α decay to form thorium-234 (the daughter nuclide). The daughter nuclide may be stable, or it may decay itself. ![]() The unstable nuclide is called the parent nuclide the nuclide that results from the decay is known as the daughter nuclide. The spontaneous change of an unstable nuclide into another is radioactive decay. During the beginning of the twentieth century, many radioactive substances were discovered, the properties of radiation were investigated and quantified, and a solid understanding of radiation and nuclear decay was developed. Among them were Marie Curie (the first woman to win a Nobel Prize, and the only person to win two Nobel Prizes in different sciences-chemistry and physics), who was the first to coin the term “radioactivity,” and Ernest Rutherford (of gold foil experiment fame), who investigated and named three of the most common types of radiation. These emanations were ultimately called, collectively, radioactivity.įollowing the somewhat serendipitous discovery of radioactivity by Becquerel, many prominent scientists began to investigate this new, intriguing phenomenon. Further investigations showed that the radiation was a combination of particles and electromagnetic rays, with its ultimate source being the atomic nucleus. He reasoned that the uranium compound was emitting some kind of radiation that passed through the cloth to expose the photographic plate. But in 1896, the French scientist Henri Becquerel found that a uranium compound placed near a photographic plate made an image on the plate, even if the compound was wrapped in black cloth. Radioactivity and Nuclear Chemistry 3.1 Major Forms of Radioactivity Alpha Particle (α) Beta Particle (β) Gamma Radiation (γ) Positron Emission (β + decay) and Electron Capture Nuclear Fission 3.2 Radioactive Half Lives 3.3 Biological Effects of Radiation Exposure 3.4 Uses of Radioactive Isotopes 3.5 Chapter Summary 3.6 ReferencesĪtomic theory in the nineteenth century presumed that nuclei had fixed compositions. ![]() |