HELP SCIENCE! I PUT MATH N DIDNT MEAN TO
1. which equation is balanced?
a) 2Na + O → Na₂O
b) 4Na + O₂ → 2Na₂O
a?
b?
a and b?
neither equation is balanced
2 which equation is balanced?
a) 4H₂ + Cl₂ ---> 2HCl
b) H₂ + Cl₂ ---> 2HCi
a?
b?
a and b?
neither?
