Question

How does an ion differ from an electrically-neutral atom?
A) There are a different number of protons in an ion compared to a neutral atom. B) There are a different number of electrons in an ion compared to a neutral atom. C) There a different number of neutrons in an ion compared to a neutral atom.
D) There are no differences in subatomic particles.

Answer 1

Answer:

B there are a different number of electrons in an ion compared to a neutral atom

Answer 2

Answer:

B) There are a different number of electrons in an ion compared to a neutral atom.  

Explanation:

An ion is an atom that has lost or gained electrons. For example, a sodium ion is formed when a sodium atom loses an electron.

A) is wrong. Atoms that contain different numbers of protons are different elements.

C) is wrong. Atoms that contain different numbers of neutrons are isotopes.