Question

Pb+O2->
Na+O2->
Al+O2->
Ca+O2->
Cu+O2->
Si+O2->
P+O2->
S(IV)+O2->​

Answer 1

2Pb+O2=2PbO

4Na+O2=2Na2O

4Al+3O2=2Al2O3

2Ca+O2=2CaO

2Cu+O2=2CuO

Si+O2=SiO2

4P+5O2=2P2O5

S+O2=SO2