What is the relationship between the hydroxide ion and a water molecule?
A)A hydroxide ion is a water molecule plus a proton.
B)A hydroxide ion and a water molecule are the same things.
C)A hydroxide ion is a water molecule minus a hydrogen nucleus.
D)A hydroxide ion is a water molecule plus two extra electrons.

Question

Quizplus · Accepted Answer

A hydroxide ion (OH-) is formed when a water molecule (H2O) loses a hydrogen ion (H+) to form a negatively charged ion (OH-). Therefore, a hydroxide ion is a water molecule minus a hydrogen nucleus.

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