Question

Li, Na, Al, K

(Who is the odd one in these?)​

Answer 1

Answer:

Al is the odd one because all other are alkali metals

Answer 2

Answer:

Al -- Aluminium

Explanation:

1. Li, Na and K belong to the same group (i.e- group 1) whereas Aluminium belongs to another group (i.e. group 13).
2. Also Al is not an alkali metal whereas others are alkali metals.

Hence Al is odd one out

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