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)none of these answers

Question

Quizplus · Accepted Answer

Ions are formed when an atom gains or loses one or more electrons, resulting in a net positive or negative charge. This is the most common and correct way of defining an ion.

B, C, and D are incorrect because gaining or losing a proton or neutron would result in a different element or isotope, rather than an ion.

E is incorrect because the other choices are all valid ways that ions can be formed.

Ions Are Atoms or Groups of Atoms That Have