Question

the radius of the first bohr orbit n 1 of hydrogen atom is 53.4pm. the bohr orbit having n=3 in li^2+ will be?

Answer 1

Hi,
Here's ur answer..
For li^2+
n=1
z=3

As we know,
r=0.529*n^2/z A°

r=0.529*(1)^2/3 A°
r=0.529/3 A°

r=0.176 A°

Hope it helps you buddy..