Question

An element X belongs to third period and first group. Name the element x ?​

Answer 1

Answer:

the element is sodium Na

Answer 2

Okay, so The element belongs to group 1.

So, it will have 1 electron in it's outermost shell.

It belongs to period 3. Therefore it will have three shells.

Hence it's valency would go like this:- 2,8,1

It means it's atomic number is 11, which is of SODIUM

So, your answer is➜SODIUM