The Mass Number of an Atom Is Equal to the Number

question 27

Multiple Choice

The mass number of an atom is equal to the number of what particles in the nucleus?

• A)protons
• B)neutrons
• C)nucleons
• D)electrons
• E)positrons

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Definitions:

Sympathetic

Pertaining to the part of the autonomic nervous system that typically increases bodily readiness for action in response to stress.

Peripheral

Relating to or situated on the edge or periphery of something, often considered less important than the core.

Parasympathetic

Referring to the part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.

Somatic

Relating to, or affecting the body, especially as distinguished from the mind or consciousness.