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Question

Name the cation having two units of positive charge.


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Solution

Definition of Cations:

  1. The positively charged ions are known as cations.

Cation having two units of positive charge:

  1. Magnesium atom (Mg) has atomic number 12. Thus, electronic configuration of magnesium atom is (2,8,2).
  2. Magnesium atom loses two electrons from the outermost shell.
  3. On losing two electrons, a positively charged magnesium ion (Mg2+) having two units of positive charge is formed.

Thus, name of cation having two units of positive charge is magnesium ion (Mg2+).


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