Respuesta :

Answer:

21

Explanation:

formula is C7H8N4O2

so there are

7 C atoms

8 H atoms

4 N atoms

2 O atoms

7+8+4+2 = 21

Answer:

The molecular formula or compound for this molecule is C7H8N4O2. The compound has 7 Carbons, 8 Hydrogens, 4 Nitrogens, and 2 Oxygens. The sum of all the atoms is 21 atoms.

Explanation: