What is variable valency
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Yogita Ingle 5 years, 5 months ago
Sometimes, same element may exhibit one valency in one compound and another valency in other compound. This property is called as variable valency.
Example
Element
Symbol
Valencies exhibited (variable valencies)
Copper
Cu
1, 2
Cu+1, Cu+2
Silver
Ag
1, 2
Ag+1, Ag+2
Gold
Au
1, 3
Au+1, Au+3
Iron
Fe
2, 3
Fe+2, Fe+3
2Thank You