Question

What are the three rules of filling orbitals?

Answer 1

Answer:

when assigning electrons to orbitals , we must follow a set of three rules: the aufbau principal the pauli -exclusion principal, and hund's rule

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Answer 2

$\huge\underline\mathcal\red{Answer}$

rule 1 aufbau rule = energy level filled so lover energy level filled first

rule 2 Pauli excluision principal = maximum of 2 electrons may be placed in each energy level. provided the spin are electrons are of opposite sign.

rule 3. hands rule = when energy levels are equal one electrons added tu each energy level in turnwith there spins unpaired untill each energy level has one electrons.

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