JEE Main 2010Annual, Paper 1ChemistryMediumAtomic Structure113× since 2002Ionisation energy of He⁺ is 19.6 x 10^–18 J atom^–1. The energy of the first stationary state (n = 1) of Li²⁺ isAOption A. 4.41 x 10^–16 J atom^–1BOption B. -4.41 x 10^–17 J atom^–1COption C. -2.2 x 10^–15 J atom^–1DOption D. 8.82 x 10^–17 J atom^–1CheckSkip · show solution