![Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Ionisation-energy-of-He-is-19.6-´-10–18-J-atom–1.-The-energy-of-the-first-stationary-state-n-1-of-Li2-is.png)
Q. Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is
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: –4.41 ´ 10–17 J atom–1