Explanation:
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The correct answer is: [C]: " mg " {"milligrams"} .
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1. Compound 2. Diatomic 3. Molecules 4. Compound 5. Structure
Might be false
Hope so
So sorry if it is wrong
Answer:
Explanation:
We can write the amount of mass of radon-222 left after a time t by using the equation:
where
is the initial mass
t is the time
is the half-life
Substituting t = 15.2 d in the formula, we find