Question

The ground state energy of the electron in hydrogen atom is equal
to :
a) The ground state energy of the electron in He+
b) The first excited state energy of the electron in He+
c) The first excited state energy of the electron in Li+2
d) The ground state energy of the electron in Be+3

Answer 1

Answer:

a) The ground state energy of the electron in He+

Answer 2

Answer:

( b ) is the answer of your question