Which statement is true about half-lives?
a. different atoms of the same nuclide have different half-lives.
b. each radioactive nuclide has its own half-life.
c. all radioactive nuclides of an element have the same half-life.
d. all radioactive nuclides have the same half-life.

For the answer to the question "which statement is true about half-lives?"
The answer to this question is multiple choice letter  b. each radioactive nuclide has its own half-life.I hope my answer helped you. Have a nice day!

Option b, each radioactive nuclide has its own half-life.

Explanation:

Radioactive elements have unstable nucleus and hence, undergoes decay to form stable nucleus.

Half-life of the a radioactive element is defined as the time in which the radioactive element disintegrate to half of its initial amount.

Radioactive nuclide is also termed as radioactive isotope.

An radioactive element may have two or more than two radioactive nuclide.

Each radioactive nuclide has its own decay pathway.

for example, radioactive nuclide of U-233 and U-234 of uranium has two different half life.

Hence, all radioactive nuclides of an element have the same half-life.

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Explanation: