In an atom, the order of filling up of the orbitals is governed by – McqOptions

MCQOPTIONS

1.	In an atom, the order of filling up of the orbitals is governed by
A.	Aufbau principle
B.	Heisenberg's uncertainty principle
C.	Hund's rule
D.	Pauli,s exclusion principle
Answer» B. Heisenberg's uncertainty principle

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