The Time Necessary for One-Half of the Original Number of Radioactive

question 38

Multiple Choice

The time necessary for one-half of the original number of radioactive atoms of an element to decay to a stable daughter product is known as a(n) ____.

• A) scale
• B) metamorphosis
• C) half-life
• D) alpha decay
• E) relative age

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Definitions:

Quality Controls

Processes and procedures put in place to ensure the standards and integrity of products or services are maintained.

Calibrate

The act of adjusting and setting the accuracy of a measuring instrument or device to conform to standards.

White Blood Cells

Cells of the immune system involved in protecting the body against both infectious disease and foreign invaders.

Invaders

entities or forces that enter a place or situation where they are not wanted, often causing harm or disturbance.