Question

Choose the true statement about ionic vs. covalent bonds.

a
In ionic bonds, one element loses electrons and the other gains electrons.
b
In covalent bonds, one element loses electrons and the other gains electrons.
c
In ionic bonds, electrons are shared between elements.
d
Ionic bonds must form between two nonmetal elements

Answer 1

a

Ionic bonds form by transfer of electrons from one atom (usually a metal) to another (usually a nonmetal), creating oppositely charged ions that attract (e.g., Na → Na+ and Cl → Cl− in NaCl).