Unit 3: Electron Configuration

Question 1

Speed of light(c)

Answer 1

3.0x10^8

Question 2

What does an upwards arrow represent?

Answer 2

An electron spinning clockwise

Question 3

What does a downwards arrow represent?

Answer 3

Electron spinning counter clockwise

Question 4

Aufbau Principle

Answer 4

Electrons fill the lowest energy level first

Question 5

Pauli Exclusion Principal

Answer 5

No two electrons can occupy the same energy level and orbital unless they are spinning opposite directions

Question 6

Hund’s Rule

Answer 6

Electrons pull spread out over the orbitals in the same shape before pairing themselves up

Question 7

Planck’s Constant (h)

Answer 7

6.63x10^-34

Question 8

No two electrons can occupy the same energy level and orbital unless they are spinning opposite directions

Answer 8

Pauli Exclusion Principle

Question 9

Electrons pull spread out over the orbitals in the same shape before pairing themselves up

Answer 9

Hund’s Rule

Question 10

Electrons fill the lowest energy level first

Answer 10

Aufbau’s Principle

Question 11

Atomic radius trend

Answer 11

Atomic radius increases as you go to the left because the force acting on the element is less meaning it’s more spread out

Question 12

What direction does ionization energy increases, left or right and why?

Answer 12

It increases as you move right because the atomic radius decreases meaning more nuclear force acting on it thus making it harder to remove an electron