21 A double charged lithium atom is equivalent to hydrogen

Last updated: 6/8/2023

21 A double charged lithium atom is equivalent to hydrogen whose atomic number is 3 The wavelength of required radiation for emitting electron from first to third Bohr orbit in Lit will be Ionisation energy of hydrogen atom is 13 6 eV a 182 51 c 142 25 b 177 17 d 113 74