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melomori [17]
2 years ago
12

Somebody help with A B and C please will give brain thanks

Chemistry
1 answer:
Norma-Jean [14]2 years ago
7 0

Answer:

we cant see a b or c

Explanation:

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Explanation:

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The isotope \left.\begin{array}{r}212 \\ 83\end{array}\right? Bi has a half-life of 1.01 yr. What mass (in mg) of a 2.00-mg samp
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