Explain Why the Number of Valence Electrons for a Main-Group

question 103

Essay

Explain why the number of valence electrons for a main-group element is equal to its Roman numeral group number.

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Definitions:

Achievement Motives

The intrinsic or extrinsic motivations that drive individuals to pursue and attain their goals.

Affiliation Motives

Refer to the innate or learned desire to be associated with other people or groups, often driven by a need for social support, acceptance, and belonging.

James-Lange Theory

A theory of emotion that suggests emotions occur as a result of physiological reactions to events.

Cannon-Bard Theory

A theory of emotion that proposes that physiological arousal and emotional experience occur simultaneously and independently.