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Question

What is the valency of phosphide?


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Solution

Valency:

  • “Valency is the combining capacity of an atom.”
  • “The electrons present in the outermost shell of an atom are known as the valence electrons.”

Phosphide ion:

  • Phosphide ion has a chemical formula P3-.
  • It is a trivalent inorganic anion.
  • The valency of Phosphide ion is -3.
  • The electronic configuration of phosphide ion is 1s22s22p63s23p6.

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