Question

Find the radius of the 5th energy level and the energy associated with the 5th orbit of He+ ion. Atomic no.= 4

Answer 1

Explanation:

r=

4π

2

mKZe

2

n

2

h

2

here r is the radius of nth orbit .

where h is plank's constant

m = mass of electrons

K = kappa's constant

e = charge of electron

r=

2

(0.592)(4

2

)

=0.592×8

4.232A

∘

Answer 2

Answer:

2 is the radius hope.it will help