What Is the Decay Constant for a Radioactive Isotope Which

question 79

Multiple Choice

What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours?

• A)0.137 hr^-1
• B)0.168 hr^-1
• C)0.435 hr^-1
• D)2.30 hr^-1

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Definitions:

Nicotine

A stimulant drug found in tobacco products that's addictive and can have both stimulating and calming effects.

Amphetamines

A class of stimulant drugs that increase activity within the brain and nervous system and are used therapeutically for conditions like ADHD and narcolepsy.

Barbiturates

A class of drugs that act as central nervous system depressants, used to treat anxiety, insomnia, and seizure disorders but can be addictive and dangerous.

Effects

The outcomes or consequences triggered by specific causes or actions, often studied to understand the impact of one variable on another.