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Anna [14]
3 years ago
5

Scientists can identify an element by looking at the structure of a single A.molecule. B.electron. C.neutron. D.atom.

Chemistry
1 answer:
Studentka2010 [4]3 years ago
3 0
By looking a an molecule
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What percent of I-125 has decayed if there are 37.5g of the original sample left?
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Answer:

[(x-37.5)/x]*100%

62.5%  (assuming the original sample weighs 100.0g)

Explanation:

Let's say that the original sample is x

Mass of I-125 which has decayed: x-37.5

Percentage of decayed mass: [(x-37.5)/x]*100%

Please recheck, for this may not be the correct answer

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Answer: Its A

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A.) Absorb and store

Explanation:

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Can you provide the options pls

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