Ions are atoms or groups of atoms that have
A) Gained or lost an electron
B) Gained or lost a proton
C) Gained or lost a neutron
D) Gained or lost either an electron or a proton
E) different numbers of protons and neutrons in the same atom

Question

Quizplus · Accepted Answer

Ions are formed when an atom gains or loses one or more electrons. This gives the atom a net positive or negative charge, making it an ion. Therefore, option A is the correct answer.

Ions Are Atoms or Groups of Atoms That Have