Question

The correct ratio of the energy of electron in ground state of H - atom to that of the energy of electron in the first excited state of Li+ ? (a) . 4:9 (b).9:4 (c). 1:4 (d). 4:1​

Answer 1

Answer:

sorry I didn't know it's answer

Explanation:

you want anything answer so follow me and mark me as brainlist

Answer 2

Answer:

(b) 9 : 4

Explanation:

E = - 13.6 n^2/Z^2

Where n = orbit level

Z = atomic number

For hydrogen E = -13.6 × (1)^2/(1)^2

= -13.6

For Li + E = -13.6 × (2)^2/ (3)^2

= -13.6× 4 / 9

Therefore ratio is -13.6/-13.6 × 4/9

= 9 : 4