Question

number of elements present in 3rd period of the long form of periodic table​

Answer 1

Explanation:

eight elements

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.

Answer 2

Answer:

There are 4 elements present in 3rd period of the periodic table