A Radioactive Particle That Has Gone Through 2 Half-Lives Retains

question 44

Multiple Choice

A radioactive particle that has gone through 2 half-lives retains what percent of its parent material?

• A)200
• B)100
• C)50
• D)25
• E)2

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Definitions:

Custodial Care

Non-medical care provided to assist individuals with daily living activities, often in long-term care settings.

Mental Hospitals

Healthcare facilities specializing in the treatment and care of patients with severe and chronic mental disorders.

Tarantism

A disorder occurring throughout Europe between 900 and 1800 A.D. in which people would suddenly start to jump around, dance, and go into convulsions. Also known as St. Vitus’s dance.

Lycanthropy

A psychiatric syndrome where a person believes they can transform into a wolf or that they have done so, often associated with hallucinations.