The Number of Protons in the Nucleus of an Atom

question 162

Multiple Choice

The number of protons in the nucleus of an atom is called its

• A) mass number
• B) valence
• C) isotope number
• D) atomic number
• E) none of these

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Definitions:

Reaction Time

The amount of time it takes for an individual to respond to a stimulus, often used in psychological and physiological testing.

Language Ability

The capacity to understand, produce, and use language effectively for communication.

Interest Inventories

These are psychological assessment tools used to measure a person's preferences, interests, and areas of potential satisfaction in various occupational settings.

Diagnostic And Statistical Manual

A standardized classification of mental disorders used by mental health professionals in the U.S., providing criteria for diagnoses, treatment recommendations, and research.