Answer:
A is the correct answer
Explanation:
if I'm wrong I'm very sorry
Answer:
I believe the answer would be
b.) valence electrons, all thw electrons that surround the nucleus of an atom
Explanation:
You're welcome
Find the total mr of CH2. take the new mr/180.2.
take the answer ratio times CH2 respectively
3.5*(6.02*10^23)=2.107*10^24 molecules, so A
