Multiple choice

Alkali metals are not found in the free state because they are

  1. highly stable

  2. highly reactive

  3. highly unreactive

  4. are nonmetals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alkali metals are very reactive in nature. As they have one electron in their valence shell, they react very vigorously with air, oxygen, water and other substances in order to complete their octet.

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