Question

Name an element which has the same number of electrons in its first and secong shell​

Answer 1

Answer:Berrylium

Explanation:

electronic configuration Be :- 1s²,2s²

Answer 2

Answer:

Beryllium,

It is an element that has two electrons in its K shell as well as L shell.....

it's atomic number is 4

it's electronic configuration is 2,2

Explanation:

Hope it helps...✌✌✌..