Examlex
Which ion below does NOT have either an empty valence shell or a complete valence-shell octet?
Muscular Contractions
The tightening and shortening of a muscle or muscle group, which can be voluntary or involuntary.
Orgasm
A peak of sexual arousal characterized by intense pleasure and release of sexual tension, often accompanied by involuntary, rhythmic contractions of the genital muscles.
Emotional-Sexual Relationships
Connections between individuals that involve both emotional intimacy and sexual attraction.
Heterosexual
A romantic or sexual preference for people of the opposite gender.
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