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19-01-2017
Chemistry

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The time required for one-half of the atoms from a sample of a radioactive substance to decay is called its _____.
a. half-life
b. beta decay
c. alpha decay
d. isotope numbe

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AbhiGhost AbhiGhost

19-01-2017

A.) half - life of a radioactive substance is defined as the time during which concentration of the substance becomes half the initial value.

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cupcakes118 cupcakes118

19-05-2020

Answer:

The answer is A. Half-life Hope this helps!

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