IDNLearn.com provides a comprehensive solution for all your question and answer needs. Find accurate and detailed answers to your questions from our experienced and dedicated community members.

Two atoms have electronic configuration of 1s2 , 2s2 , 2p6 and 1s2 , 2s2 , 2p6 , 3s1 . the ionization energy of one is 20801 KJ/mol and that of the other is 496 KJ/mol . Match each ionization energy with oen of the given electronic configuration. Give reason