Which description fits an electron?

Answer and explanation

Correct answer: B. has a negative charge and moves around the nucleus

An electron has a negative charge and moves around the nucleus.
Answer: has a negative charge and moves around the nucleus.
Why not the others: is an atom that has gained or lost electrons: that describes an ion. is an atom of the same element with a different number of neutrons: that describes an isotope. has no charge and is found in the nucleus: that describes a neutron.

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