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Question

Give two examples of each of the following: Trivalent element.


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Solution

The elements which have a valency of 3 are called trivalent elements.

Examples:

  • Aluminium (Al); electronic configuration = 2,8,3 ; Valency = 3
  • Nitrogen (N); electronic configuration = 2,5 ; Valency = 3
  • Phosphorous (P); electronic configuration = 2,8,5 ; Valency = 3

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