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NEETChemistrys Block Elements

Which of the following elements is not an alkali metal?

Options

  1. ALithium (Li)
  2. BSodium (Na)
  3. CPotassium (K)
  4. DMagnesium (Mg)

Correct answer

D. Magnesium (Mg)

Step-by-step solution

Magnesium (Mg) is not an alkali metal; it is an alkaline earth metal.

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