chapter 7 stuff

Question 1

the absolutely small (quantum) world of the electron behaves differently

Answer 1

than the larger (macroscopic) world

Question 2

explains the strange behavior of electrons.

Answer 2

quantum mechanical model of the atom

Question 3

accurate term for what we refer to as light

Answer 3

visible light

Question 4

the full range of light energies

Answer 4

electromagnetic spectrum

Question 5

examples of the electromagnetic spectrum

Answer 5

gamma rays, x- rays, ultraviolet radiation, visible light, infrared radiation, microwaves, and radiowaves

Question 6

two components of light

Answer 6

electric field

magnetic field

Question 7

distance between corresponding points on adjacent waves

Answer 7

wavelength

Question 8

size or height of a wave

Answer 8

amplitiude

Question 9

the number of complete cycles of the wave passing a given point per second

Answer 9

frequency

Question 10

waves interact with each other in 2 ways:

Answer 10

constructively

destructively

Question 11

what is it called when waves pass through a slit comparable to their size, they bend around it

Answer 11

diffract

Question 12

contrsuctive intereference happens when

Answer 12

equal path lengths

Question 13

destructive interference happens when

Answer 13

path lengths differ by lambda/ 2

Question 14

phenomenon in which light striking the surface of metal causes electrons to be ejected

Answer 14

photoelectric effect

Question 15

light is described as a wave whereas in other cases a particle description works better

Answer 15

wave-particle duality

Question 16

light could be described as a collection of packets of energy

Answer 16

photons

Question 17

the particular pattern of wavelengths absorbed and emitted by any element

Answer 17

atomic spectrum

Question 18

atoms can only exist in a few states with very specific energies because

Answer 18

it can only emit certain wavelengths of light as opposed to a continuous spectra

Question 19

while the wavelength increases, the change in energy between levels gets

Answer 19

smaller

Question 20

electrons exhibit what type of behavior

Answer 20

wave length

Question 21

de Broglie’s relation allows us to calculate what

Answer 21

wavelengths

Question 22

which model depicts electrons as waves spread through a region of space called an _____

Answer 22

quantum mechanical model

orbital

Question 23

max number of electrons in any orbital

Answer 23

2

Question 24

a function that describes the periodic behavior of a wave

Answer 24

wave function

Question 25

principle quantum numbers

Answer 25

n

Question 26

secondary quantum number (angular momentum quantum number)

Answer 26

l

Question 27

magnetic quantum number

Answer 27

ml

Question 28

describes the main energy level(shell) that the electron occupies

Answer 28

n= principle quantum number

Question 29

larger values of n are orbitals that are ______ away from the nucleus

Answer 29

farther

Question 30

designates the sub level (sub shell) that the electron occupies

Answer 30

l - angular momentum quantum number

Question 31

tells us the shape of the orbital by indicating the number of nodes or nodal planes

Answer 31

l - angular momentum quantum number

Question 32

region on either side of the node is called a

Answer 32

lobe

Question 33

tells us the orientation in space of the orbital ( along which axis is it oriented)

Answer 33

magnetic quantum number ml.

Question 34

specifies the orientation of the spin of the electron

Answer 34

spin quantum number

Question 35

s orbitals are ___ shaped

Answer 35

spherically

Question 36

p orbitals have _____ on either side of a node

Answer 36

two lobes

Question 37

d orbitals have

Answer 37

2 nodes

Question 38

f orbitals have

Answer 38

more lobes and nodes than other orbitals