Question

#5 chemistry a schoology 2025 8. what is a half - life? did you write the answer on your assignment paper? yes no

Explanation:

In chemistry, half - life is the time required for the amount of a substance (usually a radioactive substance) to decrease by half. It is a fundamental concept related to radioactive decay and the stability of isotopes.

Answer:

The time required for the quantity of a substance (often a radioactive substance) to reduce to half of its initial amount.