Question

fill in the blank question
chemical bonds such as the covalent bond hold □ together to form □
need help? review these concept resources.

Explanation:

In chemistry, covalent bonds hold atoms together. When atoms are bonded by covalent bonds (or other chemical bonds), they form molecules (or compounds). So the first blank is "atoms" and the second is "molecules" (or "compounds").

Answer:

First blank: atoms; Second blank: molecules (or compounds)