drag an oval over the format below that symbolizes these formulas:

Answer:

C. $C_{4}H_{10}$

Explanation:

Step1: Count carbon atoms

Each black circle represents a carbon (C) atom. There are 4 carbon atoms in each structure.

Step2: Count hydrogen atoms

Each gray circle represents a hydrogen (H) atom. There are 10 hydrogen atoms in each structure.

Step3: Determine the formula

The molecular formula for a compound with 4 carbon and 10 hydrogen atoms is $C_{4}H_{10}$.