6 Hydrogen H deuterium 4 singly ionized helium He and doubly

Last updated: 6/14/2023

6 Hydrogen H deuterium 4 singly ionized helium He and doubly ionized lithium Li all have one electron around the nucleus Consider n 2 to n 1 transition The wavelengths of emitted radiations are 2 22 23 and 24 respectively Then approximately 1 2 2 423 924 2 42 22 223 24 3 2 2 2 2 3 224 4 2 2 22 3 22