Orbitals

Question 1

What does n indicate?

Answer 1

n is the principal quantum number and it represents an energy level

Question 2

What does Bohr’s model indicate?

Answer 2

It states that electrons can only move between orbits, never moving halfway

Question 3

Why do electrons repel each other?

Answer 3

Due to their negative charge

Question 4

What happens to the size of orbits as n increases?

Answer 4

Orbits (shells) get larger as n increases

Question 5

What happens to the energy of the electrons as n increases?

Answer 5

The energy of the electrons increases

Question 6

List the first four sublevels.

Answer 6

s, p, d, f

Question 7

How many sublevels are in n=1 and what are they called

Answer 7

There is only the s sublevel

Question 8

How many sublevels are in n=2 and what are they called?

Answer 8

There is the s and p levels

Question 9

How many sublevels are in n=3 and what are they called?

Answer 9

There is the s, p and d levels

Question 10

How many sublevels are in n=4 and what are they called?

Answer 10

There is the s, p, d and f sublevel

Question 11

How many electrons can s hold?

Answer 11

Up to 2 electrons

Question 12

How many electrons can p hold?

Answer 12

Up to 6 electrons

Question 13

How many electrons can d hold?

Answer 13

Up to 10 electrons

Question 14

How many electrons can f hold?

Answer 14

Up to 14 electrons

Question 15

Describe the energy difference in each sublevel.

2

Answer 15

S is the smallest subshell and has the lowest energy

F is the largest subshell and has the highest energy

Question 16

What is an orbital?

Answer 16

The region in space where there is a high probability of finding an electron with a given energy

Question 17

What does n mean?

Answer 17

The principle quantum number

Question 18

What does the principle quantum number describe?

Answer 18

The size of the orbital the electron is in

Question 19

What does I mean?

Answer 19

The orbital quantum number

Question 20

What does the orbital quantum number describe?

Answer 20

The shape of the orbital

Question 21

What does m(I) mean?

Answer 21

The magnetic quantum number

Question 22

What does the magnetic quantum number mean?

Answer 22

The orientation of the orbital in space

Question 23

What does m(s) mean?

Answer 23

The electron spin number

Question 24

What does the electron spin number indicate?

Answer 24

The direction that the electron spins on its own axis

Question 25

How many p orbitals are there?

Answer 25

3

Question 26

What are the 3 p orbitals?

Answer 26

x, y, z

Question 27

How many d orbitals are there?

Answer 27

Five

Question 28

What does the Pauli exclusion principle state?

Answer 28

That an atomic orbital can hold a maximum of two electrons which must have opposite spin

Question 29

What is the Aufbau Rule?

Answer 29

Electrons occupy the lowest energy orbitals available

Question 30

What is Hunds Rule?

Answer 30

Each orbital in a sublevel is occupied by a single electron before a second electron enters