Ionisation energy of He^+ is 19.6 x 10^-18/atom . The energy of the first stationery state (n = 1 ) of Li^2+ is Ionisation energy of He^+ is 19.6 x 10^-18/atom . The energy of the first stationery state (n = 1 ) of Li^2+ is November 27, 2020 Category: Uncategorised (JEE Advanced Physics by [...]