Question

what is the term for the small, positively charged center of an atom?
○ nucleus
○ proton
○ neutron
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Explanation:

To solve this, we analyze each option:

• A proton is a positively charged particle within the atom's center, but not the center itself.
• A neutron is a neutral particle within the atom's center, not the center.
• The nucleus is the small, positively charged center of an atom (containing protons and neutrons).

Answer:

A. nucleus