Question

Calculate the radius of first orbit of He+ and second orbit of Li2t.

Answer 1

Explanation:

Bohr Radius =

Z

R

0

n

2

where, R

0

=0.529

A

˚

Now, first orbit of He

+

-> n=1,z=2.

R=

2

R

0

=0.2645

A

˚

∴ The radius of first orbit in He

+

ion is 0.2645

A

˚