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In the valency of Oxygen is …

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In the valency of Oxygen is 2 derive the valency of the Other element present in the zinc oxide

Posted by Khushi Keshri 5 years, 3 months ago

CBSE > Class 07 > Science

1 answers

Sahadeva Pradhan 5 years, 3 months ago

Steps: 1) Valency of oxygen is 2 . We know valency of one element is equally distributed to identical atoms. a) Na2O.: Valency of 2 Na,Sodium = Valency of O =>2 * Valency of Na, Sodium = 2 => Valency of Na= 1 b) Zinc Oxide (ZnO) : Valency of Zn, Zinc = Valency of O => Valency of Zn = 2 c) Lead Oxide (PbO) : Valency of Pb = Valency of O => Valency of Pb (Lead) = 2 d) Aluminium Oxide (Al2O3) : Valency of 2 Al = Valency of 3 O =>2 * Valency of Al = 3*2 => Valency of Al = 3 e) Calcium Oxide (CaO) : Valency of Ca = Valency of O => Valency of Ca = 2

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