Question

what is hund' s law ? plzzz explain
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Answer 1

Hey there !

Hund's rule: every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.

Hope it helps you !

Answer 2

electrons enter in to degenerate orbitals. electrons are singly occupied in orbitals of each one. each electron have same spin. this also known as red bus rule.