Question

calculate the ionization energy of Li2+​

Answer 1

The formula for Ionisation Energy (I.E.) is :

I.E.= 13.6*Z^2/n^2

Here, Z=atomic no.

And n=the no. of shell

➡️By applying the formula we get:

I.E(Energy)=13.6×(3)^2/1

=13.6 ×9 =122.4 eV✔️

Hope this helps!!