An Atom Has an Atomic Number of 19 and a Mass

question 78

Multiple Choice

An atom has an atomic number of 19 and a mass number of 39. This atom will have ________ neutrons.

• A) 19
• B) 20
• C) 39
• D) 58

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Definitions:

Toileting Independently

The ability of an individual, typically a young child, to use the bathroom without assistance, including recognizing the need to go, undressing, using the toilet, cleaning oneself, and dressing again.

Going Out

Engaging in social activities outside of one's home, typically for leisure or entertainment.

Initiative Versus Guilt

This term refers to the third stage of Erik Erikson's theory of psychosocial development, occurring roughly between the ages of three and five, during which children assert themselves more frequently and begin to plan activities, make up games, and initiate activities with others. If this initiative is discouraged, the child begins to feel guilty about their desires and dreams.

Autonomy Versus Shame

A developmental stage described by Erik Erikson where children learn to develop a sense of personal control and independence. Failure at this stage can result in feelings of shame and doubt.