Question

Which is the element with atomic no. 4? Write about it.

✓ Write well.

✓ Best answer- gets brainliest

Answer 1

4 - Beryllium
be is the atomic number 4

Answer 2

beryllium is the element with the atomic number 4

it's mass number is 9.0122

it's symbol is Be

it is the 2nd period element in the periodic table.

and it is also a 2nd group element.

it is a alkaline earth metal

and it is a S- block element

it is a divalent element

hope this answer helps u....