Vocab 5

Question 1

Electromagnetic radiation
What is part of it?

Answer 1

Visible light

Form of energy exhibiting wavelike behavior as it travels thru space

Question 2

Electromagnetic spectrum
Also called what?
Includes what?

Answer 2

Encompasses all forms of electromagnetic radiation with only differences in the types of radiation being their frequencies and wavelength

Also called EM spectrum
Includes radio waves, TV, microwaves, infrared, radar blah blah

Question 3

Crests

Answer 3

Top of wave

Question 4

Troughs

Answer 4

Bottom wave

Question 5

Frequencies (f)

Answer 5

Rate of vibration of a wave, number of waves that pass at a given point

Question 6

Hertz (Hz)

Answer 6

Wave frequency expressed in these units

1Hz=1cycle per second

Question 7

Cycle

Answer 7

Complete rotation (trough to trough or crest to crest

Question 8

Period 🤪🩸 (T)

Answer 8

TIME required to complete one cycle

Frequency and Time are inverse f=1/T

Question 9

Amplitude 🖌️

Answer 9

Waves height from origin (middle) to crest or trough

Question 10

Wavelegth

Answer 10

The shortest distance between equivalent points on a continuous wave
^u^u^ top of ^ to the other in straight line

Question 11

Quanta

Answer 11

Max Planck said matter can gain and lose ENERGY only in small amounts called this

Question 12

Quantum

Answer 12

Minimum amount of energy that can be gained or lost by an atom
Packet of energy

Question 13

Joules J

Answer 13

SI unit for energy

Question 14

Planks constant (h

Answer 14

Energy of a quantum of a certain frequency can be calculated

Question 15

Inertia

Answer 15

Tendency of a moving body to stay in motion or at rest unless acted upon by some outside force

Question 16

Momentum (p

Answer 16

Product of mass and velocity

Question 17

Newtonian mechanics

Answer 17

Describes the behavior of visible objects traveling at ordinary velocities

Question 18

Quantum mechanics
Example

Answer 18

Behavior of extremely small particles traveling at velocities near that of light

Example electron

Question 19

Photoelectric effect

Answer 19

Phenomenon in which electrons are ejected from the surface of a metal plate when struck by LIGHT

Photo means light

Question 20

Photoelectrons photo meaning light

Answer 20

Electrons emitted in that process

The ones being knocked out

Question 21

Photon

Answer 21

A particle of electromagnetic radiation with NO mass that carries a quantum of energy

Question 22

Atomic emission spectrum

Answer 22

Set of frequencies (colors ) of electron magnetic waves given off by the atoms and is unique to each element

Question 23

Quantized

Answer 23

Only certain quantities of energy can be given off

Question 24

Ground state

Answer 24

Lowest allowable energy state (energy level closest to the atom)

Question 25

Orbits

Answer 25

Ring around atom

Question 26

QUANTUM NUMBERS

Answer 26

n L m s Integers that represent electrons occupying different orbits of several different energies

Question 27

De brogilie equation

Answer 27

Predicts all moving particles have wave characteristics λ= h/mv

Question 28

Heisenberg uncertainty principle

Answer 28

Impossible to know precisely both exact velocity and exact position of an object at the same time

Question 29

Atomic orbital Also called what

Answer 29

Three dimensional region effectively occupied by an electron in an atom Electron cloud for many years

Question 30

Quantum numbers (n)

Answer 30

Number describing a property of an electron in an atom and representing different electron energy states (energy lvl) 4d10 4 is it

Question 31

Quantum mechanical model of the atom

Answer 31

Shrodinger‘s new atomic model in which electrons are treated as waves

Question 32

Principle quantum number

Answer 32

n representing energy lvl electron is in, Energy lvl, energy state, and energy shell are same thing

Question 33

Atomic orbital

Answer 33

Three dimensional region around nucleus describing an electrons probably location

Question 34

Magnetic quantum number

Answer 34

M representing the orbital the electron is in often drawn as a box

Question 35

Electron configuration

Answer 35

The arrangement of electrons in an atom

Question 36

Auf Bau prinzipiell

Answer 36

Each electron occupies the lowest energy orbital available

Question 37

Auf Bau (structure) diagram

Answer 37

Diagonal rule

Question 38

Hunds rule

Answer 38

Single electrons with same spin must occupy each equal energy orbital before additional electrons with opposite spins can occupy the same orbitals

Question 39

Degenerate

Answer 39

Orbitals in same sublevels, boxes, 2p6 2p4, and they have same energy

Question 40

Noble gas configuration

Answer 40

Method representing electron configuration of noble gases using bracketed symbols [AR]

Question 41

Abscissa

Answer 41

X axis

Question 42

Ordinate

Answer 42

Y axis

Question 43

Valence electrons

Answer 43

Electrons in atoms outermost orbitals (6s 2 would be highest

Question 44

Electron dot diagram

Answer 44

Outer electrons around symbol(Ar) of elements