Answer:
20 atoms
Explanation:
There are 4 in H2O2 because of 2 hydrogens and 2 oxygens.
Then, multiply by 5 because the coefficient is 5, therefore there are 5 H2O2 molecules.
5 x 4 = 20
<h2>That's all I have to say <3</h2><h2>(ㆆ_ㆆ)</h2>
I'm pretty sure it's Metallic bonding
A 200 what? Then I can help!
