Electron Orbitals

Question 1

Who found the particle and wave duality?

Answer 1

deBroglie

Question 2

Who’s principle says you can’t know both momentum and position?

Answer 2

Heisenberg

Question 3

Who’s principle says that no 2 e- can have same quantum numbers?

Answer 3

Pauli’s exclusion principle

Question 4

What rule says that 2e- can’t be in orbital if they are not all half filled?

Answer 4

Hund’s rule

Question 5

What are the 2 e- configuration exceptions?

Answer 5

Cu and Cr

Question 6

What principle says that each orbital can only have 2e- and the lowest must be filled first?

Answer 6

Aufbau principle

Question 7

Cations make the atom ….

Answer 7

Smaller

Question 8

Anions make the atom…

Answer 8

Larger

Question 9

Which trend is highest at top right?

Answer 9

Ionization energy

Question 10

What trend is highest at bottom left?

Answer 10

Electron affinity and increasing radii

Question 11

Covalent bonds are between what types of elements?

Answer 11

Nonmetals

Question 12

Ionic bonds are between what elements?

Answer 12

Metal and nonmetal

Question 13

What are the zip codes for electrons?

Answer 13

Quantum numbers

Question 14

N describes what?

Answer 14

Energy level; principal

Question 15

L describes what?

Answer 15

Shape of orbital; angular momentum

Question 16

Ml describes what?

Answer 16

Orientation and is -l to l; magnetic number

Question 17

Ms describes what?

Answer 17

Spin and is +1/2 or -1/2

Question 18

What gives us orbital shapes and energies?

Answer 18

Schrödinger’s eqn

Question 19

What is valence e- - ( lone e- + bonding pairs)

Answer 19

Formal charge

Question 20

What predicts molecular geometry and shape?

Answer 20

VSEPR model

Question 21

Central atom is _______ electronegative

Answer 21

Least

Question 22

What is Zeff?

Answer 22

Effective nuclear charge

Question 23

What is protons- core e-?

Answer 23

Zeff