this is one question
Posted: Tue May 17, 2022 8:50 pm
this is one question
(b) Specify the possible term symbols for the different states of a helium atom whose two electrons are in a 1s2p configuration, using the normal nomenclature for multi-electron atoms. (c) Explain why the ground state of helium is a singlet state, and discuss the stability of the triplet states with reference to the transition rules.
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