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2023-2024 > Chemistry Final Review > Flashcards

Chemistry Final Review Flashcards

1
Q

Homogeneous mixture

A

completely blended

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2
Q

Hypothesis

A

if than statement, educated guess

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3
Q

Qualitative

A

Opiniated basically

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4
Q

density

A

mass in an object
mass/unit volume

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5
Q

extensive property

A

property depending on mass of object (volume, mass, etc.)

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6
Q

physical change

A

a change that changes the appearance, not the chemical properties (bending metal)

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7
Q

accuracy

A

how close a measurement is to the intended value

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8
Q

significant figure

A

the amount of digits represented based on previous calculations

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9
Q

metal

A

elements that have luster and conduct energy/heat. Generally ductile

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10
Q

ductile

A

bendable into thin wire

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11
Q

theory

A

generally accepted ideas

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12
Q

quantitative

A

number based results

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13
Q

heterogeneous mixture

A

mixture where individual parts are visible (salad)

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14
Q

physical property

A

appearance

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15
Q

intensive propterty

A

properties that do not rely on mass (can be color, smell, etc.)

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16
Q

sublimination

A

solid to gas, w/o passing through liquid state

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17
Q

precision

A

how close numerous results are to each other

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18
Q

group (family)

A

columns

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19
Q

metalloid

A

have both properties of metals and nonmetals; zigzag line on table

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20
Q

inference

A

conclusion from information that doesn’t state the conclusion

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21
Q

pure substance

A

all one thing in the mixture

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22
Q

solution

A

homogenous mixture mixted to limit of solubility

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23
Q

chemical property

A

property that is revealed during or after a reaction

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24
Q

chemical change

A

change in chemical composition

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25
Q

System International

A

global system of measurement

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26
Q

percent error

A

how close a lab result is to accepted result

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27
Q

period (series)

A

side to side rows on table

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28
Q

malleable

A

moldable

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29
Q

Democritus

contribution

A

theorized existance of atoms

30
Q

John Dalton

year, contribution

A

1808; accepted existence of atoms, billard ball model

31
Q

JJ Thomson

year, model type, contribution

A

1904; plum pudding model, electrons discovered

32
Q

Milikin

A

electron charge, oil drop experiment

33
Q

Quantum Mechanical model

year, people, contribution

A

1920; Einstein, Schrödinger, etc., orbitals discovered

34
Q

Rutherford

year, model, experiment, contribution

A

1911; nuclear model, goldfoil experiment discovered nucleus

35
Q

Bohr

year, model, contribution

A

1913; solar system model, orbits discovered

36
Q

HC2H3O2

A

acetic acid

37
Q

Co2S3

A

Cobalt (III) sulfide

38
Q

Pb3(PO4)2

A

Lead (II) phosphate

39
Q

Sr3N2

A

Stronium nitride

40
Q

Na2CrO4

A

Sodium chromate

41
Q

NH4NO2

A

Ammonium nitrite

42
Q

sulfur difluoride

A

SF2

43
Q

lithium nitride

A

Li3N

44
Q

ammonium acetate

A

NH4C2H3O2

45
Q

mercury (I) chloride

A

Hg2Cl2

46
Q

sodium dichromate

A

Na2Cr2O7

47
Q

nitrous acid

A

HNO2

48
Q

zinc sulfide

A

ZnS

49
Q

sodium dihydrogen phosphate

A

NaH2PO4

50
Q

Oxidation

A

loss of electrons

51
Q

reduction

A

gain electrons

52
Q

synthesis reaction

A

multiple compounds react to form one compound

53
Q

decomposition reaction

A

one compound reacts to form multiple compounds

54
Q

single displacement reaction

A

one element replaces another

55
Q

light travels like a ___ and strikes like a ___

A

wave; particle

56
Q

light is separated into colors using a ___

A

diffraction grating or prism

57
Q

the distance between crests or troughs is ___

A

wavelength

58
Q

height of the wave is ___

A

amplitude

59
Q

number of crests passing through a point per second is ___

A

frequency

60
Q

wavelength units are

A

meters

61
Q

frequency unit

A

Hertz, Hz, s^-1

62
Q

relationship between frequency and energy

A

higher frequency = higher energy

63
Q

relationship between frequency and wavelength

A

high frequency = short wavelength

64
Q

photon

A

bundle of energy

65
Q

number of energy to frequency

A

Planck’s constant

66
Q

electron goes from ground to excited state in ___ spectrum

A

absorption

67
Q

spectrum for prism with white light or rainbow is

A

continuous spectrum

68
Q

color with longest wavelength

A

color with highest frequency

69
Q

order of types of light of increasing energy and frequency

A

radio, microwave, infrared, visible, UV, x-ray, gamma

70
Q
A

2023-2024 (23 decks)

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