MDCAT Chemistry MCQ #5132

The half-life of a radioactive substance is a characteristic property and is

MDCAT Chemistry MCQ #5132

  1. Question 1

    Q1. The half-life of a radioactive substance is a characteristic property and is

    • A) Independent of the initial amount of substance
    • B) Dependent on the initial amount of substance
    • C) Affected by temperature
    • D) Affected by pressure

    Answer: Independent of the initial amount of substance

    Explanation: The half-life of a radioactive substance is a constant, characteristic property, unaffected by initial amount, temperature, or pressure.