Question

Hiii ...guys...

plzz solve q.21

Answer 1

It is aluminium atomic number 12 . Its valency is +3

Answer 2

Hey mate!

Here is your answer

ATOMIC NUMBER OF THE ELEMENT - 14

NAME OF THE ELEMENT - Silicon

VALENCY - 4

DIAGRAM - In the picture above

Hope it helps ☺️!

Have a great day !