Chapter 5

Question 1

Wavelength

Answer 1

Is the shortest distances between equivalent pointe on a continuous wave

Question 2

Frequency

Answer 2

The number of waves that pass a given point per second

Question 3

One hertz

Answer 3

One wave per second

Question 4

Amplitude

Answer 4

The waves height from the origin to a crest

Question 5

What speed do electromagnetic waves travel at

Answer 5

3.00 * 10 ^8 m/s

Question 6

Electromagnetic wave equation

Answer 6

C=x(v)

Question 7

Electromagnetic spectrum

Answer 7

Includes all forms of electromagnetic radiation with the only differences in the types of radiation being their frequencies and wave lengths

Question 8

What two natures do light have

Answer 8

Waves and particles

Question 9

Quantum

Answer 9

The minimum amount of energy that can be gained or lost by an atom

Question 10

Man Planck

Answer 10

Germen physics

Energy of a quantum

Question 11

Energy of a quantum

Answer 11

E quantum = h(v)

Question 12

Planck’S constant

Answer 12

6.626 * 10^-34

Question 13

Planck’s theory

Answer 13

For a given frequency matter can emit or absorb energy only in whole number multiplies of hv

Question 14

Photoelectric effect

Answer 14

Electrons are emitted from metals surface when light of certain frequency sines on the surface

Question 15

Photon

Answer 15

A massless particle that carries a quantum of energy

Question 16

Energy of a photon

Answer 16

Ephoton=hv

Question 17

Atomic emission spectrum

Answer 17

Set of frequencies of the electromagnetic waves emitted by atoms of the element

Question 18

When there are more waves what happens to the wave length

Answer 18

The wavelength is shorter

Question 19

Ground state

Answer 19

The lowest allowable energy state of an atom

Question 20

Excited state

Answer 20

When an atom gain energy

Question 21

Quantum number

Answer 21

The number assigned to each orbit of an electron

Question 22

De broglie equation

Answer 22

Predicates that all moving particles have wave characteristics

Question 23

Particle electromagnetic wave relationship

Answer 23

X=h/mv

Question 24

Electromagnetic radiation

Answer 24

A form of energy that exhibits wavelike behavior as it travels through space

Question 25

Heisenberg uncertainty principle

Answer 25

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

Question 26

Quantum mechanical model of the atom

Answer 26

An atomic model in which electrons are treated as waves

Question 27

Atomic orbital

Answer 27

A three dimensional region around the nucleus

Question 28

Probability map

Answer 28

A time exposure photograph of the electron moving around the nucleus

Question 29

Principal quantum number

Answer 29

Indicates the relative size and energy of atomic orbitals

Question 30

Principal energy level

Answer 30

Major energy level

Question 31

Energy sub levels

Answer 31

The energy levels contained within a principal energy level

Question 32

Niels Bohr

Answer 32

- Danish physicist working in Rutherford lab in 1973 - proposed a quantum model for the hydrogen atom - the model correctly predicted the frequencies of lines in hydrogen atomic emission spectrum - suggested that the electron moves around the nucleus I'm going only certain allowed orbits

Question 33

Louis de Broglie

Answer 33

Proposed an idea that eventual accounted for the fixed energy levels of Bohrs model

Question 34

Werner Heisenberg

Answer 34

Showed that it is impossible to take a measurement of an object with out disturbing the object

Question 35

Erwin Schrödinger

Answer 35

New model of hydrogen atom applied equally well to atoms of other elements

Question 36

Electron configuration

Answer 36

The of electrons in an atom

Question 37

Aufbaw principal

Answer 37

Electron occupied the lowest energy orbital available

Question 38

Pauli exclusion principle

Answer 38

A maximum of two electrons can occupy a single atom ice orbital but only if electrons have opposite spins

Question 39

Wolfgang Pauli

Answer 39

Proposed the Pauli exclusion principle

Question 40

G.N Lewis

Answer 40

Devised the method in 1902 (electron dot diagram)