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Question

Name a trivalent cation with its formulae and valency.


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Solution

Trivalent cation:

  1. The cation with a +3 charge as its valency is called a trivalent cation.
  2. When an atom loses three electrons from its outermost shell, it becomes a trivalent cation.

Aluminium (Al) is the trivalent cation. Its formula is Al3+and its valency is 3.


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