Science, asked by sk9299254, 14 days ago

give example of 2 metals with variable valency​

Answers

Answered by pv92932
1

Answer:

copper and iron

Explanation:

hop it's help you

Answered by akush871
2

Answer:

ex:-

copper:-

Cuprous (Cu_{2} O),valance 1,ion Cu+

Cupric oxide(CuO),valance 2,ion  Cu^{2}^+

iron

Ferrous oxide (FeO),valance 2,ion Fe^2^+

Ferric oxide (Fe_2O_3),valance 3,ion Fe^3^+

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