Question

beryllium : alkaline earth metal :: sodium __________

Answer 1

Answer:

Sodium is an alkali metal.

Answer 2

Alkali metal is the correct answer.

1. Alkali metals are the group 1 elements of periodic table. Alkaline earth metals are the group 2 elements of periodic table.
2. Sodium is part of group 1 while beryllium is part of group 2 of periodic table.
3. Alkali metals have one valence electron while alkali earth metals have two valence electrons in their outermost shell.