Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is [AIEEE 2010]

Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The�

1.	Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is [AIEEE 2010]
A.	4.41 ´ 10–16 J atom–1
B.	–4.41 ´ 10–17 J atom–1
C.	–2.2 ´ 10–15 J atom–1
D.	8.82 ´ 10–17 J atom–1
Answer» C. –2.2 ´ 10–15 J atom–1