Question

An element has 2 electrons in it's N shell , what is the atomic no , state it's position in periodic table , is it a metal or non metal , state the name assigned to this group , what is the valency of this element?

Answer 1

1 ---> oxygen

2 --> 8

3 --> Oxygen is the 8th element on the periodic table.

4 --> non metal .

5 --> Oxygen group element, also called chalcogen.

6 --> 2

I hope this may help you ......