What remains after a sample undergoes two half-lives? a. 50 percent of the sampl

ID: 802653 • Letter: W

Question

What remains after a sample undergoes two half-lives?

a. 50 percent of the sample is composed of parent atoms, and 50 percent of the sample is composed of daughter atoms.

b. 100 percent of the sample is composed of daughter atoms.

c. 75 percent of the sample is composed of parent atoms, and 25 percent of the sample is composed of daughter atoms.

d. 25 percent of the sample is composed of parent atoms, and 75 percent of the sample is composed of daughter atoms.

e. 100 percent of the sample is composed of parent atoms.

Answer d 25 percent of the sample is composed of parent atoms,and 75 percent of the sample is composed of daughter atoms.

In first half life parent can be remains 50 percent

In second half life parent can remains 25 and daughter will 75 percent

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