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Question

Why are Alkali Metals are soft?


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Solution

  1. Alkali metals are the elements belonging to group 1 of the periodic table.
  2. The general electronic configuration of alkali metals are Noblegasns1 where n is the valence shell.
  3. Alkali metals are highly electropositive and highly reactive towards water to form strong alkalis or base.
  4. As the alkali metals have only one electron in its valence shell so that the metallic bonding between the atoms are weak .
  5. Due to the weaker force of attraction Alkali metals are soft and can be cut easily by knife.

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