Question

explain the principle of nund rule and pauli exclusion rule

Answer 1

Answer:

The Pauli exclusion principle lets us know how a single orbital is filled by electrons. ... So according to the first part of Hund's rule, electrons will fall into empty orbitals of the same energy before electrons begin to pair up into the same orbital.

Explanation:

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Answer 2

Answer:

HUND'S RULE

IN A SHELL ELECTRONS MUST BE FILLED EQUALLY THAT MEANS THAT EVERY ORBITAL OF SHELL MUST GET 1 ELECTRON THAN THEY MUST BE PAIRED

PAULI'S RULE

IN AN ORBITAL TWO ELECTRONS MUST BE OF DEFFERENT SPIN ONE WILL BE +1/2 AND OTHER WILL BE -1/2

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