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The half-life of radium-226 is 1600 years. How many grams of a 7 g sample will remain after 3200 years? SHOWALL STEPS TO SOLVE THE PROBLEM
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The half-life of radium-226 is 1600 years. How many

grams of a 7 g sample will remain after 3200 years?
SHOWALL STEPS TO SOLVE THE PROBLEM

User Vitalii Bratok
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1 Answer

10 votes

Answer:

1600 years half life

3200/1600 is 2 half lifes

first half life takes the sample to 1/2 it's original amount and the second takes it to 1/4 of it's original amount

so 1/4*7gm is 1.75gm

Step-by-step explanation:

User Purarue
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