explain hund's rule and Pauli's exclusion principle
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[tex]MARK \: \: AS \: \: BRAINLIEST[/tex]
Answer:
[tex]\fbox\red{Hands rule}[/tex]
===>One electron goes into each all of them are half ful before pearing up.
[tex]\fbox\red{Pauli's exclusion principal}[/tex]
===>No two electrons can be identified by the same set of quantum numbers(must have different spins).
Explanation:
[tex]\fbox\red{Hands rule}[/tex]
=====>States that if two or more degenerate(same energy) orbitals are Available,
one electron goes into each untill all of them are half full pearing up.
=====>Hands rule tell us about the electrons in an atom should be placed into de generate orbit.
=====>Hand's rule of maximum multiplicity rule states that for a given electron configuration, the term with maximum multiplicity falls lowest in energy.
=====>According to this rule electron pairing in p,d and f orbitals cannot be occur until each orbital of a given subshell contains 1 electron each or is singly occupied.
it states that :-
===> In a sublevel, each orbitals is singly occupied before it is doubly occupied.
===> The electron process in singly occupied orbitals possess identical spin.
[tex]\fbox\red{Pauli's exclusion principle}[/tex]
====>States that no two electrons can be identified by the same set of quantum numbers. This is actually why we have the spin quantum number [tex]Ms[/tex]
====>To ensure that two electrons within the same orbital have unique key set of quantum number.
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