Question

Valency of phosphide?

Answer 1

valency of phosphide is 3

Answer 2

Valency of phosphide is -3 or $P^{-3}$

Explanation:

• Valency is the merging capacity of an component. For metals, it is identical to the number of electrons in the outermost shell of their atoms, and for non metals it is eight minus the number of electrons in the outermost shell.
• Transition metals like iron and copper show more than one valency in compound formation.
• And and loss of electron or gain of electron called charge of an atom, Positive charge will attain by donating of an electron and negative charge by vice versa.
• So valency does not have any sign, Charge have positive and negative sign.

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