Question

Electron configuration for Li

Answer 1

Answer: [He] 2s1

Explanation:

Electrons per shell: 2,1

Atomic number: 3

Electronegativity: 0.98

Atomic mass: 6.941 u

Discoverer: Johan August Arfwedson

Period: Period 2 element

Answer 2

the electronic configuration of Li is

=》 2, 1

and in spdf configuration it's 1s^2 2s^1