Is sodium an alkaline earth metal?

1. Alkaline earth metal: The elements which belong to 2^nd group of the periodic table are called alkaline earth metals.
2. The general electronic configuration of alkaline earth metal is ns².
3. Sodium: Sodium is an element having electronic configuration 1s²2s²2p⁶3s¹ which is not relatable to alkaline earth metal.
4. Sodium is a highly reactive element.
5. Beryllium, calcium, magnesium are some of the alkaline earth metals.

Hence, sodium is not an alkaline earth metal.