After Three Half-Lives, a Radioactive Element Will Have ____ of Its

question 43

Multiple Choice

After three half-lives, a radioactive element will have ____ of its original parent atoms.

• A) 1/2
• B) 1/6
• C) 1/3
• D) 1/8
• E) 1/32

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Definitions:

Vibrations

Oscillations or rapid movements back and forth or up and down, which can be felt with touch or detected through instruments.

Stereognosis

Stereognosis is the ability to perceive and recognize the form of an object by touch.

Tactile Discrimination

The ability to perceive and distinguish the details of an object, such as texture or temperature, by touch.

Extinction

In psychology, the process by which a previously learned behavior diminishes or disappears when it is no longer reinforced.