Question

Which is the correct example of an ion?

a. Two atoms with a different number of protons

b. Two atoms with a different number of neutrons

C. Two different elements with the same mass

d. Two atoms with a different number of electrons

e. Two different elements with the same number of protons​

Answer 1

e. Two different elements with a different number of electrons. Ions are atoms that tend to lose or gain electrons so as to gain a full outer shell.