electron configurations Flashcards
1
Q
What is the Aufbau Principle
A
Electrons fill up lowest energy levels first
2
Q
What is the Pauli Exclusion Principle
A
orbitals can have only two electrons and have to spin in different directions
3
Q
What s Hund’s Rule
A
The most stable arrangement is one w/ the least paired electrons (don’t want to share unless they have to)
