Question

Q2. The energy required to remove an
electron from the second orbit of hydrogen
is:
O
(a) 3.4 eV
O (b) 6.8 ev
O
(c) 13.6 eV
O
(d) 27.2 eV​

Answer 1

(a) 3.4 eV

energy required = 13.6 / 4

= 3.4 eV