Why do atoms of elements typically have neutral charges?

• A. Because the number of neutrons equals the number of electrons in a neutral atom.
• B. Because the number of protons equals the number of electrons in a neutral atom.
• C. Because atoms always gain or lose electrons to become neutral.
• D. Because the number of protons equals the number of neutrons in a neutral atom.

Answer: (B)

Verified step by step guidance

1. Understand that atoms are composed of three main subatomic particles: protons, neutrons, and electrons.
2. Recall that protons carry a positive charge, electrons carry a negative charge, and neutrons are neutral (no charge).
3. Recognize that the overall charge of an atom depends on the balance between the number of protons and electrons.
4. Note that in a neutral atom, the number of protons (positive charges) is exactly equal to the number of electrons (negative charges), so their charges cancel out.
5. Understand that neutrons do not affect the charge because they are electrically neutral, so the neutrality of an atom is determined by the equality of protons and electrons.