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:

Attachment Style

A model describing the nature of emotional bonds between people, particularly between a child and caregiver, which influences personal relationships.

Strange Situation

A standardized research protocol used in psychology to assess attachment relationships between infants and their caregivers.

Anxious

Feeling worry, nervousness, or unease about something with an uncertain outcome.

Strange Situation

A procedure developed by Mary Ainsworth to assess patterns of attachment by observing a child's reactions to separations and reunions with their caregiver.