3.5 Energy Level And Atomic Structure

Question 1

Aufbau principle

Answer 1

Fully fill lower energy levels before going to next

Question 2

Pauli’s exclusive principle

Answer 2

2 electrons occupying same orbital will have opposite spins as all electrons are diff

Question 3

Hund’s rule

Answer 3

Electrons in samesublevel will not pair up untill each electron is at least 1/2 filled
Do entire line then double