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Gen Chem Prelims > Matter > Flashcards

Matter Flashcards

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1
Q

any physical substance that possesses mass
and occupies space (volume),

A

Matter

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2
Q

amount of matter in an object.

A

Mass

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3
Q

amount of earth’s gravitational pull on a certain
object.

A

Weight

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4
Q

more massive objects –

A

more gravitational pull – heavier

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5
Q

amount of space an object occupies.

A

Volume

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6
Q

true or false

All matter is made up of tiny particles

A

true

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7
Q

true or false

not all matter is made up of tiny particles

A

false

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8
Q

true or false

not all particles of one substance are the same.

A

false

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9
Q

true or false

All particles of one substance are the same.

A

true

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10
Q

true or false

Different pure substances are made of different particles.

A

true

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11
Q

true or false

Different pure substances are made of the same particles.

A

false

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12
Q

true or false

Particles are always moving.

A

true

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13
Q

true or false

Particles are always constant.

A

false

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14
Q

true or false

There are attractive forces between particles.

A

true

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15
Q

true or false

There are no attractive forces between particles.

A

false

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16
Q

what are the phases of matter

A

SOLID
LIQUID
GAS
PLASMA
BOSE-EINSTEIN CONDENSATE

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17
Q

Densely-packed particles of matter

A

SOLID

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18
Q

this matter’s attractive forces are very strong

A

SOLID

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19
Q

this matter’s particles are in fixed position

A

SOLID

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20
Q

Particles that are not as densely-packed as solids

A

LIQUID

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21
Q

this matter still exert attractive
forces

A

LIQUID

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22
Q

this matter has the ability to flow

A

LIQUID

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23
Q

Distance between particles of this matter is very high;

A

GAS

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24
Q

this matter have less attractive forces

A

GAS

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25
Q

this matter have the
highest freedom to move

A

GAS

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26
Q

William Crookes

A

PLASMA

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27
Q

Gas particles
tend to look like glowing jelly at
high temperatures

A

PLASMA

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28
Q

plasma is a Greek word that means

A

creature-like form

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29
Q

how is Bose-Einstein Condensate produced

A

when matter is cooled to extremely low temperature

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30
Q

achieved by
cooling an object close to absolute zero

A

BOSE-EINSTEIN CONDENSATE

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31
Q

conversion of a solid to liquid

A

melting

32
Q

how is melting done?

A

when heat is added, the solid’s particles acquire energy and will have more freedom to move

33
Q

temperature at which melting occurs

A

melting point

34
Q

process where liquid turns solid

A

freezing

35
Q

temperature where particles lose energy

A

freezing point

36
Q

who are the discoverers of the Bose-Einstein Condensate

A

Wolfgang Ketterle
Eric Cornell
Carl Weiman

37
Q

conversion of liquid into gas

A

vaporization

38
Q

vaporization is also called

A

boiling

39
Q

temperature at which a liquid boils or turns to gas

A

boiling point

40
Q

cooling of gas particles, which slows down their speed

A

condensation

41
Q

is it common for solids to turn into liquids before becoming a gas?

A

yes

42
Q

happens when solids are converted to gases directly without having to go through the liquid state

A

sublimation

43
Q

occurs when the energy of the particles in a solid and much higher than atmospheric pressure

A

sublimation

44
Q

one way to achieve this is by rapidly raising the temperature of the solid beyond its boiling point

A

sublimation

45
Q

another way to achieve this is by cooling a liquid under a vacuum, and then the solidified liquid turns to gas quickly

A

freeze drying

46
Q

what are the examples of sublimation

A

solid carbon dioxide
dry ice
mothballs

47
Q

example of condensation

A

formation of droplets on the surface of eyeglasses

48
Q

gas transforms directly into a solid without having to go through the liquid state.

A

deposition

49
Q

occurs when the temperature of the gas is lower than the freezing point

A

deposition

50
Q

solid to gas

A

sublimation

51
Q

gas to solid

A

deposition

52
Q

solid to liquid

A

melting

53
Q

liquid to solid

A

freezing

54
Q

gas to liquid

A

condensation

55
Q

liquid to gas

A

evaporation

56
Q

when matter cannot be physically separated

A

pure substances

57
Q

when matter can be physically separated

A

mixtures

58
Q

when pure substances cannot be chemically decomposed

A

elements

59
Q

when pure substances can be chemically decomposed

A

compounds

60
Q

when the composition of mixtures is not uniformed

A

heterogenous

61
Q

when the composition of mixtures is uniformed

A

homogenous

62
Q

what are the 4 elements

A

metals
non-metals
metalloids
noble gases

63
Q

what are the two compounds

A

ionic
molecular

64
Q

what are the two homogenouses

A

solution
colloid

65
Q

what are the 4 solutions

A

acids
bases
salt solutions
alloys

66
Q

what are the 2 heterogenouses

A

colloid
suspension

67
Q

what does the homogenous and heterogenous have in common

A

colloid

68
Q

physical change or chemical change

transformation of matter from one state to another that only changes the for of that matter

A

physical change

69
Q

physical change or chemical change

size, color, density, and mass become different

A

physical change

70
Q

physical change or chemical change

chopping of wood

A

physical change

71
Q

physical change or chemical change

cutting of paper

A

physical change

72
Q

physical change or chemical change

transformations of matter through chemical reactions

A

chemical change

73
Q

physical change or chemical change

transform the reactants to products

A

chemical change

74
Q

physical change or chemical change

burning

A

chemical change

75
Q

physical change or chemical change

rotting

A

chemical change

76
Q

physical change or chemical change

cooking

A

chemical change

Gen Chem Prelims (14 decks)

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