17
RCMultiple Choice

Cumulative Exam — Cumulative exam

Question 17 • 2026-2027 EDGE Human Anatomy and Physiology A

Which statement describes how a molecule of water is formed?

Answer
A
Hydrogen dissolves an oxygen atom.
B
Hydrogen chemically bonds with oxygen.
C
Hydrogen atoms transform into oxygen atoms.
D
Hydrogen atoms lose their protons to oxygen atoms.

Explanation

A water molecule forms when two hydrogen atoms chemically bond with one oxygen atom, making H₂O. The atoms remain hydrogen and oxygen; they do not dissolve into each other, transform into different elements, or transfer protons as described in the other choices.

AI-written and checked against the verified answer.

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