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Elodia [21]
3 years ago
7

Which atomic model propose that electrons move in specific orbits around the nucleus of an atom

Chemistry
1 answer:
tamaranim1 [39]3 years ago
5 0

Answer: Bohr's

Explanation:

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The half-life of phosphorus-32 is 14.30 days. how many milligrams of a 20.00 mg sample of phosphorus-32 will remain after 85.80
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The amount of sample that is left after a certain period of time, given the half-life, h, can be calculated through the equation.

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             A(t) = (20 mg)(1/2)^(85.80/14.30)

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