A substance has a half-life of 10,000 years and an initial mass of 1,000 grams. How many years will pass before only 250 grams o
2 answers:
Answer:
A).
Explanation:
Half life is the total time after which the substance will decay and remains only half of the initial amount
So here we will say that
initial amount is 1000 gram
Now after one half life only half of the amount will remain
so it is
now again after another half life it will remain half of the initial amount
so it is
so it took two half lives
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Explanation:
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