Question

Name Of Element Atomic Number Electronic Configuration

K L M N

Hydrogen 1 - - - -

Lithium 3 - - - -

Sodium 11 - - - -

Potassium 19 - - - -​

Answer 1

Explanation:

Hydrogen 1 - - - -1s^1

Lithium 3 - - - -[He]2s^1

Sodium 11 - - - -[Ne] 3s^1

Potassium 19 - - - -[Ar] 4s^1