Question

Calculate the first excitation energy of electron in hydrogen atom

Answer 1

Explanation:

It calculated by :

Total energy= -13.6 × Z^2/n^2. where( z is atomic no. and n is shell no.)

= -13.6×1^2 / 1^2= -13.6 electron volt.

Thank you.

Answer 2

Explanation:

-13.6 joule is the first excitation energy of electron in hydrogen atom