What is the valency of :(a) fluorine in CaF2 (b) sulphur in SF(e) nitrogen in the following compounds :(i) N203(ii) N2O5(f) Manganese in MnO2 (g) Copper is Cu,(iv) NO(iii) NO2(h) Magnesium in Mg2N2

What is the valency of :(a) fluorine in CaF2 (b) sulphur in SF(e) nitr

1.	What is the valency of :(a) fluorine in CaF2 (b) sulphur in SF(e) nitrogen in the following compounds :(i) N203(ii) N2O5(f) Manganese in MnO2 (g) Copper is Cu,(iv) NO(iii) NO2(h) Magnesium in Mg2N2
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