Answer:
Option 4 with o-h in the most polar bond, since the two atoms in the bond have the greatest difference in electronegativity. This is assuming there are no other factors in other atoms bound to either of the elements in the bond.
Explanation:
Chlorine is more reactive than argon, because argon is not reactive at all. Chlorine only has to gain 1 valence electron
Explanation:
Mg + <u>2</u>HNO2 → Mg(NO2)2 + H2
Answer: 4.08183 or you can round it to 4
Explanation: