How Many Valence Electrons Does an O^2- Ion Contain

question 46

Multiple Choice

How many valence electrons does an O^2- ion contain?

• A)2
• B)6
• C)8
• D)10

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Definitions:

Histamine

A biogenic amine involved in local immune responses, regulating physiological function in the gut, and acting as a neurotransmitter for the brain, spinal cord, and uterus.

Prostaglandin

A group of lipid compounds with diverse hormone-like effects, including regulating inflammation, blood flow, and smooth muscle contraction.

Bradykinin

A peptide that causes blood vessels to dilate, leading to lowered blood pressure and increased pain sensitivity.

Ankle Injury

A broad term that refers to any harm or damage to the ankle, ranging from sprains and fractures to tendonitis.