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Question

Is potassium an alkaline earth metal?


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Solution

Explanation:

  1. Alkaline earth metal: The elements of 2nd group of the periodic table is called alkaline earth metal.
  2. Alkaline earth metal can donate two electrons and form a +2 charged cation.
  3. Potassium is in the 1st group of the periodic table.
  4. The first group of elements is called alkali metal.

Hence, Potassium is not an alkaline earth metal.


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