1)CuO; CaH2
2)N2O - N(1) ; O(2)
NO - N(2) ; O(2)
N2O3- N(3) ; O (2)
3)MgH2 - Mg(2) H(1)
I2O5 - I (5) O (2)
PbO2- Pb(4); O(2)
Na2O - Na(1) O(2)
BaO - Ba(2); O(2)
Mn2O - Mn(1) ; O(2)
4)MgCl2;CH4;,CaBr2; SO2;SiH4
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Answers & Comments
1)CuO; CaH2
2)N2O - N(1) ; O(2)
NO - N(2) ; O(2)
N2O3- N(3) ; O (2)
3)MgH2 - Mg(2) H(1)
I2O5 - I (5) O (2)
PbO2- Pb(4); O(2)
Na2O - Na(1) O(2)
BaO - Ba(2); O(2)
Mn2O - Mn(1) ; O(2)
4)MgCl2;CH4;,CaBr2; SO2;SiH4