There Are Samples of Two Different Isotopes,X and Y

question 4

Multiple Choice

There are samples of two different isotopes,X and Y.Both contain the same number of radioactive atoms.Sample X has a half-life twice that of Y.How do their decay rates compare?

• A)X has a greater rate than Y.
• B)X has a smaller rate than Y.
• C)The rates of X and Y are equal.
• D)The rate depends on atomic number,not half-life.

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Definitions:

Depressant

A substance that slows down the nervous system and can lead to decreased alertness, often used to treat insomnia, anxiety, or other mental health conditions.

Stimulant

Substances that increase alertness, attention, and energy by accelerating the activity of the central nervous system.

DSM-5

The fifth edition of the American Psychiatric Association's classification and diagnostic tool for mental health professionals.

Substance Use

The consumption of drugs or alcohol, not necessarily implying abuse, but focusing on the act of using these substances.