Ch 2

Question 1

Do electrons act like wave or particle

Answer 1

Both

Question 2

Wave length

Answer 2

Distance between identical points on adjacent waves

Question 3

Frequency

Answer 3

Of waves that occur a second

Question 4

Amplitude

Answer 4

Height of wave (strength of light)

Question 5

Relation ship between frequency and wavelength

Answer 5

Inverse

Question 6

Wave interference

Answer 6

Waves overlap and either add together or cancel out

Question 7

constructive interference

Answer 7

Waves increase in amplitude when tumbled /in phase

Question 8

Destructive interference

Answer 8

No light / out of phase

Question 9

Diffraction

Answer 9

Waves bend when they encounter o obstacle

Question 10

Photo electric effect

Answer 10

Light shoes on a metal and electrons are ejected from metal

Question 11

What happens when V is less than V not

Answer 11

None emitted

Question 12

As amplitude increased what happens to # of electrons

Answer 12

Increases

Question 13

As frequency increases what happens to ke

Answer 13

Increases

Question 14

Absorbed spectrum

Answer 14

Emission and absorbed spectrums accopposte

Question 15

What happens to energy level as atoms emit energy

Answer 15

They fall levels

Question 16

Bohr model in short

Answer 16

As energy of atoms change their orbital changes

Question 17

What does slit test demonstrate

Answer 17

Particles behave as wave and particle

Question 18

Uncertainty principle

Answer 18

You can’t know position and velocity of election

Question 19

How is right transported

Answer 19

Packets

Question 20

Principle quant #

Answer 20

N

Question 21

Angular momentum # and possible values

Answer 21

L

Question 22

N values not #

Answer 22

SPDF

Question 23

Magnetic quantum # and its values

Answer 23

M

Question 24

What’s prob map

Answer 24

Where electrons could be

Question 25

What happens to energy gap as n increases

Answer 25

The gap gets smaller

Question 26

Probability density equals

Answer 26

Prob/ unit vol

Question 27

What is a node

Answer 27

Where prob density is o

Question 28

S orbital shape

Answer 28

A sphere

Question 29

P orbital shape

Answer 29

Bow tie

Question 30

D orbital shape

Answer 30

Propeller

Question 31

F orbital shape

Answer 31

Explosion

Question 32

Tor F each electron can have same quant numbers

Answer 32

False

Question 33

Shielding

Answer 33

Electrons work feel full energy pull till the get close enough to nucleus

Question 34

Valence elections

Answer 34

Outer most energy level elections

Question 35

Aufbau’S principle

Answer 35

Add electrons to lowest levels first

Question 36

Hunds rule

Answer 36

Electrons get half filled then parratel filled