Question

tell............... fast.... ​

Answer 1

13=Aluminium

Atomic no:-13

group:- 13

P block element

period:-3

Resemblance:-

B(5)

The boron group are the chemical elements in group 13 of the periodic table, comprising boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl), and perhaps also the chemically uncharacterized nihonium (Nh).

Hope it helps u^_^

Answer 2

Hello Mate.

Here is your answer below,

Atomic number is (13)

Group is (13) and in P-block.

Period is (3).

Resemblance with Boron Br(5)

I hope that helps you