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The length of time required for half of the radioactive atoms in a sample to decay is its

a. half-life.
b. relative date.
c. radioactive date.
d. period

User BARNZ
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2 Answers

6 votes

Half Life is the correct answer

User NoRyb
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2 votes
The length of time needed for 50% or 1/2 of the radioactive atoms in a sample to decay is its A. Half life.
User Ricardo Zea
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