What Is the Ground-State Valence-Shell Electron Configuration of the Group

question 54

Multiple Choice

What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table?

• A)ns²
• B)ns^2np2
• C)ns²(n-1)d²
• D)ns²(n-2)f²

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Definitions:

Ostracism

The act of excluding or ignoring someone from a group or society, often used as a form of social punishment or control.

Narcissism

A characteristic that involves an exaggerated view of one's own importance, a strong desire for an abnormal amount of attention and praise, and an absence of compassion towards others.

Chain Migration

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The social or psychological exclusion of an individual from a group, which can lead to feelings of loneliness and affects mental health.