Which of the Following Pairs of Atomic Numbers Belong to Elements

question 35

Multiple Choice

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns²np²?

• A)23 and 26
• B)4 and 20
• C)30 and 80
• D)6 and 82
• E)22 and 72

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Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, typically developing in infancy.

Emotional Outbursts

Sudden and intense expressions of strong emotions, often seen as disproportionate reactions to the situation.

Fine Motor Skills

The ability to make movements using the small muscles in our hands and wrists, important for tasks like writing and buttoning clothes.

Gross Motor Skills

The skills needed to manage the major muscle groups in the body for activities such as walking, running, sitting, and crawling.