Lesson 4 - Electronic Configuration

Question 1

How many electrons in each orbital?

Answer 1

2

Question 2

Argon has 3 full shells of electrons. How many orbitals are in argon?

Answer 2

9 orbitals

Question 3

Definition of an orbital

Answer 3

A region within an atom that can hold up to 2 electrons with opposite spins.

Question 4

How many orbital characteristic shapes are there?

Answer 4

4

Question 5

What are the orbital characteristic shapes?

Answer 5

S - sphere
P - dumb-bell
D - not required to know
F - not required to know

Question 6

How many orbitals in each sub shell?

Answer 6

S - 1 orbital
P - 3 orbitals
D - 5 orbitals
F - 7 orbitals

Question 7

What’s the total amount of electrons in each orbital?

Answer 7

S - 2 electrons
P - 6 electrons
D - 10 electrons
F - 14 electrons

Question 8

Which subshells in each shell?

Answer 8

1st - 1s
2nd - 2s, 2p
3rd - 3s, 3p, 3d
4th - 4s, 4p, 4d, 4f

Question 9

What’s the total amount of electrons in each shell?

Answer 9

1st - 2
2nd - 8
3rd - 18
4th - 32

Question 10

Subshells in order of increasing energy

Answer 10

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p

Question 11

What does each number and letter stand for in 1s^2 (He)

Answer 11

1 = number of shells
S = name of sub shell
2 = number of electrons in outer shell

Question 12

Which orbitals are different parts of the periodic table called?

Answer 12

Groups 1 & 2 = S
Groups 3 - 8 = P
Transition metals = D
Lanthanide/actinide series = F

Question 13

In electron/arrow in box diagram, what does the box and arrow represent?

Answer 13

Box represents an orbital
Arrow represents 1 electron

Question 14

Write sub-shells, shells and orbitals in decreasing size

Answer 14

Shells, sub-shells, orbitals