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Math & Science > Chemistry > Flashcards

Chemistry Flashcards

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1
Q

The three states that matter can exist as are…

A

Solid, liquid and gas

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2
Q

Any substance that occupies space and has mass

A

Matter

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3
Q

The two kinds of matter are…

A

Substance and mixture

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4
Q

Matter is made up of…

A

tiny, indiscrete particles such as atoms, molecules or ions

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5
Q

A group of two atoms that are chemically bonded together

A

Molecule

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6
Q

The smallest particle of an element that can participate in a chemical reaction

A

Atom

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7
Q

This kind of matter CAN’T be separated by physical or mechanical means

A

Substance

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8
Q

A substance made up of identical atoms; cannot be broken down into simpler substances by ordinary chemical methods

A

Element

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9
Q

Several pure substances combined PHYSICALLY but not chemically; physically separable; different parts of a mixture keep their own properties when put together

A

Mixture

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10
Q

Different components of this mixture are evenly mixed and look consistent throughout

A

Homogenous mixture

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11
Q

Components of this mixture are visible

A

Heterogenous mixture

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12
Q

A substance containing two or more elements joined together by chemical bonds

A

Compound

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13
Q

A homogenous mixture involving a solute and a solvent

A

solution

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14
Q

A homogenous mixture of two elements, one of which is a solid metal

A

Alloy

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15
Q

Soluble materials dissolve ________ in a solvent

A

completely

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16
Q

A sample of matter with the same composition throughout

A

homogenous substance

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17
Q

The substance that gets dissolved

A

solute

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18
Q

The liquid which the solute dissolves in

A

solvent

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19
Q

A solution is saturated when…

A

…no more solute can be dissolved while the temperature is constant

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20
Q

a heterogenous mixture composed of a liquid and a solid wherein the solid doesn’t usually dissolve

A

suspension

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21
Q

Mixture which doesn’t have uniform properties and composition

A

heterogenous mixture

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22
Q

T/F suspensions can’t be filtered

A

F, suspensions can be filtered

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23
Q

T/F Regular agitation is need to keep mixture fairly mixed in a solution

A

T

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24
Q

T/F suspensions are clear

A

F, they are cloudy

25
Q

T/F emulsions are colloids

A

T

26
Q

T/F the smaller particles settle at the bottom of a suspension

A

F, the larger particles settle

27
Q

T/F suspensions are a mixture of two phases

A

T

28
Q

Properties of matter that don’t change the chemical composition of a substance

A

Physical properties

29
Q

A heterogenous mixture of two or more liquids wherein one ends up as very tiny droplets within the other

A

emulsion

30
Q

a heterogenous mixture that looks very uniform yet the solute is not completely dissolved

A

colloid

31
Q

Physical properties that depend on the amount of substance

A

Extensive properties

33
Q

Physical properties that don’t depend on the amount of substance

A

Intensive properties

34
Q

Intensive property pertaining to the scent of a substance

A

odor

35
Q

intensive properties are _________ properties

A

physical

36
Q

Properties of matter that change the chemical nature of a substance

A

chemical properties

37
Q

Intensive property that refers to the ability of a substance to be drawn into wires

A

ductility

38
Q

Intensive property pertaining to the shade, tiny, tone of a substance

A

Color

39
Q

Intensive property that describes how shiny a substance is

A

Luster

40
Q

Intensive property pertaining to the temperature at which the solid and liquid phases of a substance are in equilibrium

A

Melting/freezing point

41
Q

Intensive property that refers to the ability of a substance to be beaten into sheets

A

malleability

42
Q

Intensive property that refers to the ability to conduct electricity

A

Conductivity

43
Q

Extensive property that refers to the measure of the amount of matter

A

Mass

44
Q

Intensive property that refers to the toughness of a substance

A

hardness

45
Q

Intensive property pertaining to the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure

A

Boiling point

46
Q

Extensive property that refers to the measured distance of an object

A

length

47
Q

Intensive property pertaining to the measure of how compact a substance is

A

Density

48
Q

Extensive property that refers to the measure of the gravitational force of the earth on an object

A

Weight

49
Q

Chemical property that is a measure of how easily a substance will burn or ignite

A

Flammability

50
Q

Extensive property that refers to the measure of the amount of space occupied by an object

A

Volume

51
Q

Chemical property that refers to the degree which a substance can damage an organism

A

Toxicity

52
Q

Solid to gas

A

Sublimation

53
Q

Chemical property that is a measure of how much a substance does not change over time

A

Chemical stability

54
Q

Chemical property that refers to the amount of time required for a quantity of a substance to fall to half its value

A

Half- life

55
Q

Liquid to solid

A

Freezing

56
Q

Gas to solid

A

Deposition

57
Q

Solid to liquid

A

Melting

58
Q

Liquid to gas

A

Vaporization

59
Q

Gas to liquid

A

Condensation

Math & Science (8 decks)

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