Question

for Be3+ ion, which of the following Stachement is
Correct
1)Ionisation energy = 122.4
2)The potential energy of electon in 1st excited
is -217.6eV
3) The Forquency of revolution of electron of
and orbit of Be3+ in half of the Frequency of
revolation of electron in around state of H-atom
4) 2nd excitation potential = 193.4 v
The Answer is options (4)​

Answer 1

yes you are right!!!!!

Explanation:

Ionisation energy = 122.4 2)The potential energy of electon in 1st excited is -217.6eV 3) The Frequency of revolution of electron of and orbit of Be3+ in half of the Frequency of revolution of electron in around state of H-atom 4) 2nd excitation potential = 193.4 v The Answer is options (4)