karun26 karun26

13-10-2020
Chemistry

contestada

transition elements have variable valency why

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nadeahaquino1214 nadeahaquino1214

13-10-2020

Answer:

The transition elements have their valence electrons in two different sets of orbitals that are (n-1)d and ns. Thus, transition elements show variable valencies due to the involvement of penultimate d shell electrons.

Explanation:

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