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If the mass of a radioactive substance is 8 grams and it has a half-life of 4 hours, how much mass remains after 8 hours?
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How many atoms of oxygen are contained in 160 grams of n2o3
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Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )
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When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
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What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
If the mass of a radioactive substance is 8 grams and it has a half-life of 4 hours, how much mass r...
History, 17.11.2020 21:10
Mathematics, 17.11.2020 21:10
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