test 1

Question 1

Orange light has a frequency of 4.8 x 1014 Hz. What is the energy of one photon of orange light?

Answer 1

E = (6.63x10 −34)(4.8x10 14) =

Question 2

h=

Answer 2

planks constant

Question 3

v=

Answer 3

frequency

Question 4

λ=

Answer 4

wavelength

Question 5

c=

Answer 5

speed of light

Question 6

equation e=

Answer 6

hv

Question 7

equation c=

Answer 7

λ v

Question 8

How many electrons are permitted in any one orbital? What is the name of the rule that defines this number?

Answer 8

2e pauli exclusion

Question 9

the _______ decribes the shape of the electron cloud or orbital

Answer 9

sublevel

Question 9

The energy level describes the ____ of the electron cloud or orbital

Answer 9

size

Question 10

Heisenberg uncertainty principal states

Answer 10

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

Question 11

the three dimensional region around the nucleus represententing the probability of finding an electron is called a

Answer 11

orbital

Question 12

energy is emitted and abosrbed by atoms in discrete amounts called

Answer 12

quantum

Question 13

If an electron in an atom absorbs energy, it can move from a ____ to a ________ energy level

Answer 13

lower, higher

Question 14

The set of frequencies produced by an excited state atom is called its _____spectrum

Answer 14

atomic

Question 15

The lowest allowable energy state of an atom is called its ______ state

Answer 15

ground

Question 16

what color has a greater energy red or blue

Answer 16

blue

Question 17

Red light has a longer wavelength then blue light.which color has a greater frequency

Answer 17

blue

Question 18

what is the unit of measurement used for energy

Answer 18

joule

Question 19

what wave characterisitic determines the energy of a light wave

Answer 19

frequency

Question 20

the ____ is the phenomenon in which electrons are emitted from a metals surface when light of a certain frequency shines on it

Answer 20

photoelectric effect

Question 21

a ____ is the minimum amount of energy that can be lost or gained by an atom

Answer 21

quantum

Question 22

when an atom emits light photons certian energies are being emitted true or false

Answer 22

true

Question 23

the lowest energy state of an electron is the ground state true or false

Answer 23

true

Question 24

atomic emission spectra can be explained by the wave model of light true or false

Answer 24

false

Question 25

the fact that only certain colors appear in an elemtns atomic emission spectrum indicates that only certain frequencies of light are emitted true or false

Answer 25

true

Question 26

A flame test can be used to identigy the presence of certain elements in a compound true or false

Answer 26

true

Question 27

each element has a unique atomic emission spectrum true or false

Answer 27

True

Question 28

Like the visible spectrum, an atomic emission spectrum is a continous range of colors true or false

Answer 28

false

Question 29

plancks discovery

Answer 29

identified a relationship between the energy and frequency of light

Question 30

de brogolies discovery

Answer 30

hypothesized that matter has wave characterisitics

Question 31

The metric unit for frequency is the _____, which is equivalent to one wave per second

Answer 31

Hertz

Question 32

Schodinger discovered

Answer 32

developed a set of equations that described the electron wave position in an atom and its energy

Question 33

_____ is the number of waves that pass a given point in once second

Answer 33

Frequency

Question 34

The shortest distance bewteen equivlant points on a continous wave is called a

Answer 34

wavelength

Question 35

_____ is one type of electromagnetic radiation. Other example include X-rays, radio waves, and microwaves

Answer 35

light

Question 36

Angular Momentum Quantum Number

Answer 36

sublevel and the shape

Question 37

principal quatnum number

Answer 37

energy level and the size

Question 38

No two electrons in the same atom can have

Answer 38

the same set of four quantum numbers

Question 39

Each electron in an atom has a set of four numbers, called _____ _____, that describe it completely

Answer 39

quantam numbers

Question 40

orbital size increase as the

Answer 40

energy level increases

Question 41

____ _____ have space around the nucleus are called atomic orbitals. (electron density clouds)

Answer 41

probable reigons

Question 42

Heisenberg’s Uncertainty Principle

Answer 42

The more accurately the electron position is known, the more error there is in measuring its momentum and vice-versa.

Question 43

All waves can be characterized by their wavelength, amptitude, frequency, and ____

Answer 43

speed

Question 44

Electro magnetic radiation is a kind of _____ that behaves like a _____ as it travels through space

Answer 44

energy, wave

Question 45

Aufbau Order

Answer 45

Electrons fill orbitals of lowest energy before filling high energy orbitals

Question 46

Hund’s Rule

Answer 46

Electrons fill degenerate orbital sets so that one electron goes into each degenerate orbital before pairing occurs

Question 47

Pauli Exclusion Principle

Answer 47

Each electron has a unique set of 4 quantum numbers therefore…Only 2 electrons can share any one orbital and they will have opposite spins

Question 48

Spin Quantum Number

Answer 48

Electro spin

Question 49

Magnetic Quantum Number

Answer 49

Describes one specific orbital position

Question 50

Atomic Orbitals

Answer 50

are the three-dimensional spaces where an

Question 51

Schrödinger’s Equations

Answer 51

Predict the probable location of an electron around the nucleus.

Question 52

De brogolies hypothesis

Answer 52

If waves (like light) have particle properties, particles (like electrons) should have wave properties