The Mass Number of an Element Is

question 80

Multiple Choice

The mass number of an element is

• A)the sum of the protons and the neutrons.
• B)the sum of the electrons and the protons.
• C)the sum of the electrons and the neutrons.
• D)the sum of the isotopes.
• E)the number of protons.

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Definitions:

Classical Reinforcer

An item or stimulus that increases the likelihood of a specific response by being presented after the response occurs in a conditioning process.

Primary Reinforcer

A primary reinforcer is a stimulus that is naturally rewarding and satisfies a biological need, such as food or water.

Stimulus Discrimination

The learned ability to distinguish between similar stimuli and respond appropriately to each one.

Green Light

An expression meaning to give approval to proceed with a project or action.