how many total atoms are in one molecule of lithium nitrate, lino3?

Explanation:

Step1: Identify atom - types and counts

In $LiNO_3$, there is 1 lithium (Li) atom, 1 nitrogen (N) atom, and 3 oxygen (O) atoms.

Step2: Calculate total atoms

Add the number of each type of atom: $1 + 1+3=5$.

Answer:

C. 5