Question

Give reasons.
a) Sodium is an element.​

Answer 1

$\implies$Sodium is a chemical element with the symbol Na (from Latin "natrium") and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table.Sodium was first isolated by Humphry Davy in 1807 by the electrolysis of sodium hydroxide.

Answer 2

Answer:

Sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, comprising 2.8 percent of Earth's cr