Chemistry, asked by Sambit2005, 11 months ago

what is valency?and variable valency? valenced shell? valenced electrons?​

Answers

Answered by pandeyharsh716
17

Answer:

Variable Valency. Certain elements combine with other atoms, donating, accepting or sharing electrons in different proportions depending on the nature of the reaction. ... In the formation of ferrous oxide, iron exhibits a valency of +2, whereas in ferric oxide, it has a valency of +3. This is termed variable valency.

In chemistry, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.

Answered by slahotiaug20
14

Answer: valency is the number of electrons accepted or donated by an atom to attain stability.

Variable valency means exhibiting more than one valency. example. Cooper and iron

The outermost shell is called valence shell.

The electrons of the outermost shell or the valence shell are called valence electrons..

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