Ionisation energy of He+ is 19.6×10-18J atom-1. The energy of the first stationary state (n = 1) of Li2+ is
Ionisation energy of He+ is 19.6×10-18J atom-1. The energy of the first stationary state (n = 1) of Li2+ is
(1)8.82×10-17 J atom-1
(2) 4.41×10-16 J atom-1
(3) -4.41×10-17 J atom-1
(4) -2.2×10-15 J atom-1