The Electron

Question 1

Aufbau Principle

Answer 1

Lowest to highest energy level

Question 2

Pauli Exclusion Principle

Answer 2

Energy levels are opposites (⬆️⬇️)

Question 3

Hund’s Rule

Answer 3

Each line gets 1 electron before your pair them

Question 4

What are the d4 and d9 exceptions?

Answer 4

Take one electron from the S, give it to D

Question 5

What is the Principle Quantum Number (n)?

Answer 5

It tells you the energy level and indicates the distance from the nucleus

Question 6

Second quantum number (l)

Answer 6

Tells you the sub levels, and indicates the shape of the region

Question 7

Magnetic Quantum Number (ml)

Answer 7

Tells your the orbital and indicates the orientation of the region in space

Question 8

Spin Quantum Number (ms)

Answer 8

When electrons spin opposite of each other

Question 9

How do you find how many electrons are in an energy level?

Answer 9

Add all of the electrons in that energy level from the electron configuration e.g. 2s2 2p6 2d10 2+6+10=18