The Mass Number of an Atom Is

question 59

Multiple Choice

The mass number of an atom is:

• A)the number of protons and neutrons in the nucleus.
• B)the number of protons in the nucleus.
• C)the number of neutrons in the nucleus.
• D)the number of electron energy levels.

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Definitions:

Sexuality

The collective characteristics that mark the differences between the male and female, the constitution and life of the individual as related to sex.

Daycare Centre

A facility that provides care and supervision for children during the daytime, allowing their parents or guardians to work or engage in other activities.

Growth and Development

The process of physical and physiological changes that occur in human beings from birth to the end of adolescence, as the individual progresses from dependency to increasing autonomy.

Genital Area

Refers to the part of the body that includes the external reproductive organs.