Question

calculate the size (r²)^1/2 for hydrogen atom in ground state​

Answer 1

Answer:

We know that,

At r=a

ψ

2

(r)=(

π

a

3/2

1

e

−2/a

)

2

=

πa

3

1

e

−2

=

π(5.29×10

−2

nm)

−3

1

e

−2

=291 nm

−3