Chapter 5

Question 1

What could Rutherford’s model not explain?

Answer 1

It could not explain the chemical properties of electrons.

Question 2

Bohr Model

Answer 2

Proposed that an electron is found in specific paths called orbits around the nucleus.

Question 3

Energy Levels

Answer 3

Fixed energies of electrons.

Like rungs of a ladder, the bigger the number the further it was from the nucleus.

Question 4

Quantum Mechanical Model

Answer 4

Used a mathematical equation describing the behavior of the electron.

Question 5

Atomic Orbital

Answer 5

Where the electron possibly is.

Question 6

1. s

Answer 6

Sphere
1 possible shape
2 possible electrons

Question 7

2. p

Answer 7

Dumbell
3 possible shapes
6 possible electrons

Question 8

3. d

Answer 8

Clover
5 possible shapes
10 possible electrons

Question 9

4. f

Answer 9

Quadrants
7 possible shapes
14 possible electrons

Question 10

How many electrons can each possible shape have?

Answer 10

2 electrons

Question 11

Where does change proceed?

Answer 11

In the lowest possible energy.

Question 12

Aufbau Principle

Answer 12

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s

Question 13

Pauli Exclusion Principle

Answer 13

Electrons have opposite spins.

Question 14

Hunds Rule

Answer 14

Must count the first electron before the second.

Question 15

What group does not follow the rule?

Answer 15

Transition Metals

Question 16

What did the Quantum Mechanical Model grow from?

Answer 16

The study of light.

Question 17

Amplitude

Answer 17

The height from the origin to the crest.

Question 18

Wavelength

Answer 18

Distance between crests.

Question 19

Frequency

Answer 19

Nuber of wave crests that pass a given point.

Question 20

Crest

Answer 20

The highest point.

Question 21

What do frequency and wavelength equal?

Answer 21

A constant speed of light.

Question 22

Constant

Answer 22

C = Frequency x Wavelength
C = 2.998x10⁸

Question 23

When do atoms emit light?

Answer 23

When an electron loses energy.

Question 24

Atomic Emissions Spectrum

Answer 24

The light emitted by an element separated into discrete lines.
Like a fingerprint, no two are the same.

Question 25

Ground State

Answer 25

An electron at it’s lowest possible energy.

Question 26

Excited State

Answer 26

An electron above the ground state.

Question 27

E=

Answer 27

E=hv

Question 28

H=

Answer 28

H= 6.626x10⁻³⁴

Question 29

Lyman Series

Answer 29

UV Spectrum

Question 30

Balmer Series

Answer 30

Visible Spectrum

Question 31

Pashen Series

Answer 31

Infrared Spectrum

Question 32

Photon

Answer 32

Quanta of energy.

Question 33

Heinsburg Uncertainty Principle

Answer 33

States that it is impossible to know exactly the velocity and the position of a particle at the same time.

Question 34

What are the 4 types of electromagnetic radiation?

Answer 34

Radio, microwaves, UV, and X-Rays.