Question

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

Answer 1

$\huge{Answer}$

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:

the third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorous, sulphur, 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.

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