how to find valency of molecule like PO4 phosphate
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To determine the valency of the ionic molecule phosphorus tetraoxide ( PO4 , four atoms of oxygen and one atom phosphorus ) you should multiply the total valency of the four oxygen atoms ( valency 2 ) and subtract that from the valency of the phosphorus atom ( valency 5 ) , That reveals the valency of ( PO4 ) is 3 .
The valency of an element is always a whole number , and some elements exhibit more than one valency , they have more than one valency such as sulphur ( S ) is divalent , tetravalent and hexavalent
The valency of an element is always a whole number , and some elements exhibit more than one valency , they have more than one valency such as sulphur ( S ) is divalent , tetravalent and hexavalent
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its valency is 3 because. by doing electronic configuration
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