process that uses a large number of rotating cylinders; creates a strong centrifugal force so that heavier gas molecules containing U-238 move toward the outside of the cylinder and lighter gas molecules rich in U-235 collect closer to the center; requires little energy.
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The first attempt at publishing a list of relative atomic masses was made by ______________. Select all the discoveries that J. J. Thomson is credited with making. Describe Thomson's concept of the atom. Thomson's concept of the atom was referred to as the plum pudding model because it was randomly distributed electrons throughout an atom.
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Three types of radioation - Alpha, Beta, Gamma. There are three primary types of radiation: Alpha - these are fast moving helium atoms. They have high energy, typically in the MeV range, but due to their large mass, they are stopped by just a few inches of air, or a piece of paper.
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It is composed of two protons and two neutrons and therefore has very large mass, about 7500 times the mass of the beta particle. Because of its mass, it also has the most energy of any of the three radioactive emissions, but has very short range and penetrating ability.
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As far as just pure energy is concerned, the answer is a gamma ray. By a lot. At typical gamma ray frequencies, you'll have 100 keV. Then it flows down as alpha, beta, and then visible light. Gamma rays are what make up cosmic rays.
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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest. Gamma rays are the most penetrating radioactive emissions. The correct answer is C.
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Ionizing radiation takes a few forms: Alpha, beta, and neutron particles, and gamma and X-rays. All types are caused by unstable atoms, which have either an excess of energy or mass (or both). In order to reach a stable state, they must release that extra energy or mass in the form of radiation. Alpha Radiation.
https://www.mirion.com/introduction-to-radiation-safety/types-of-ionizing-radiation/
In this experiment, we study the penetrating power of each type of radiation. For this test, we used an old radium coated watch hand, obtained from, where else, eBay. The radium is an alpha source, and we also get several beta and gamma emissions as well from daughter products. This hand is about 50 years old, so we should get a nice mixture of radiations. This makes it an ideal source to use for these experiments.
http://www.blackcatsystems.com/GM/experiments/ex7.html
Properties of elements can be predicted from their placement on the periodic table. The Periodic Law states that the physical and chemical properties of the elements are periodic within the sequence of their atomic numbers. A horizontal row of elements in the periodic table is known as a _____________.
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PENETRATING POWER. Introduction. There is a great difference in the penetrating powers for alpha, beta, and gamma rays. Of the three types of radiation, alpha particles are the easiest to stop. A sheet of paper is all that is needed for the absorption of alpha rays. However, it may take a material with a greater thickness and density to stop beta particles. Gamma rays have the most penetrating powers of all three radiation sources.
http://www2.lbl.gov/abc/experiments/Experiment4.html
which of the following radioactive emissions is the most penetrating?
Gamma rays are the most penetrating radioactive emissions.