Western Governors University (WGU) HRM2110 D351 Functions Of Human Resource Management Pre-assessment Practice

Which subatomic particle determines the identity of a chemical element?

The number of protons. The number of neutrons. The number of electrons. The number of valence shells.

Correct Answer:

The number of protons.

Explanation:

A. An element's identity is defined by its atomic number, which equals the number of protons in the nucleus. Changing the proton count changes the element. Neutrons affect isotopes and electrons affect charge, but neither changes elemental identity.

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