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Gen Chem > Pure Substance and Mixtures > Flashcards

Pure Substance and Mixtures Flashcards

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1
Q

may be classified according to their state or phase

A

MATTER

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2
Q

observable even without changing the composition

A

PHYSICAL PROPERTIES

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2
Q

observed once a material undergoes a chemical reaction

A

CHEMICAL PROPERTIES

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3
Q

matter have a fixed or definite composition

A

PURE SUBSTANCES

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4
Q

combinations of two or more substances

A

MIXTURES

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5
Q

made up of a specific number of atoms or groups of atoms that are combined through a chemical reaction

A

PURE SUBSTANCES

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6
Q

has definite physical and chemical properties

A

PURE SUBSTANCE

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7
Q

the simplest form of matter

A

ELEMENT

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8
Q

made up of only one kind of atom

A

ELEMENT

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9
Q

elements of different kinds also differ in the atoms that make them up

A

ELEMENT

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10
Q

cannot be decomposed into simpler forms by physical or chemical means

A

ELEMENT

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11
Q

react with one another to form a new substances

A

ELEMENT

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12
Q

how many elements known to exist arranged in the periodic table of elements

A

118 ELEMENTS

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13
Q

a useful tool that can help in identifying elements that exhibit similar properties

A

PERIODIC TABLE OF ELEMENTS

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14
Q

leftmost of the periodic table

A

metals

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15
Q

rightmost of the periodic table

A

NONMETALS

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16
Q

staircase-like between metals and nonmetals

A

METALLOIDS

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17
Q

solid at room temperature

A

METALS

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18
Q

lustrous

A

METALS

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19
Q

malleable

A

METALS

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20
Q

ductile

A

METALS

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21
Q

heat/electricity conductors

A

METALS

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22
Q

is the only metal that is liquid at room temperature. It is a shiny, silvery liquid that forms beads due to its high surface tension.

A

MERCURY

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23
Q

is also known as quicksilver due to its appearance and mobility

A

MERCURY

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24
Q

opposite of metals

A

NONMETALS

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25
Q

gaseous or dull solids

A

NONMETALS

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26
Q

poor conductors of heat and electricity

A

NONMETALS

27
Q

is the only nonmetal that exists in liquid form at room temperature

A

BROMINE

28
Q

exhibit properties of both metals and nonmetal

A

METALLOIDS/SEMIMETALS

29
Q

conducts heat and electricity but not as good as how metals act as conductors

A

METALLOIDS/SEMIMETALS

30
Q

semiconductors

A

METALLOIDS/SEMIMETALS

31
Q

are metalloids that are widely used in the manufacture of computer chips

A

SILICON AND GERMANIUM

32
Q

composed of two or more different elements that are combined in a fixed ratio by a chemical reaction

A

COMPOUNDS

33
Q

are formed when an element reacts with another element

A

COMPOUNDS

34
Q

are products of chemical reactions between two or more compounds

A

COMPOUNDS

35
Q

cannot be broken easily

A

CHEMICAL BOUNDS

36
Q

can be broken down into simpler forms by chemical means

A

COMPOUNDS

37
Q

contains carbon and hydrogen

A

ORGANIC COMPOUNDS

38
Q

do not contain carbon-hydrogen bonds

A

INORGANIC COMPOUNDS

39
Q

consist of two or more pure substances that are combined physically

A

MIXTURES

40
Q

no chemical reaction between the components

A

MIXTURES

41
Q

components retain their characteristic properties when mixed together

A

MIXTURES

42
Q

each components has the same chemical makeup it had before the mixtures formed

A

MIXTURES

43
Q

do not have definite proportions and definite properties

A

MIXTURES

44
Q

properties depend on the substance that are present in it

A

MIXTURES

45
Q

mixtures may be further classified as

A

HOMOGENEOUS AND HETEROGENEOUS

46
Q

consists of substances that are evenly distributed all throughout

A

HOMOGENEOUS MIXTURE

47
Q

the components cannot be distinguished from each other by the naked eye

A

HOMOGENEOUS MIXTURE

48
Q

also known as solution

A

HOMOGENEOUS MIXTURE

49
Q

composed of two components

A

SOLUTION

50
Q

the substance that is dissolved by another substance; exists in smaller amounts

A

SOLUTE

51
Q

the dissolving medium in which the solute dissolves; most abundant

A

SOLVENT

52
Q

when substance dissolve in a given solvent

A

SOLUBLE

53
Q

when liquids are soluble in each other at all proportions

A

MISCIBLE

54
Q

Solute dissolve in a solvent when the solute particles are pulled away from one another and the solvent continue to surround it until they are evenly spread out.

A

HOMOGENOUS MIXTURES

55
Q

consists of substances that are not evenly distributed all throughout.

A

HETEROGENOUS MIXTURES

56
Q

the components can be distinguished from each other by the naked eye.

A

HETEROGENOUS MIXTURES

57
Q

can be further classified as colloids or suspensions

A

HETEROGENOUS MIXTURES

57
Q

this phenomenon is called wherein light is scattered

A

TYNDALL EFFECT

58
Q

its a heterogenous mixture with suspended particles that are large enough to be seen by the naked eye

A

SUSPENSIONS

58
Q

a kind of matter with a definite or fixed composition

A

PURE SUBSTANCE

59
Q

is a kind of matter that consists of two or more substance that are combined physically

A

MIXTURE

60
Q

is the simplest form of matter made up of one type of atom

A

ELEMENT

61
Q

is made up of different types of atoms that are combined chemically

A

COMPOUND

62
Q

consists of particles that are evenly distributed all throughout

A

HOMOGENEOUS MIXTURE

63
Q

consists of particles that are not evenly distributed all throughout

A

HETEROGENEOUS MIXTURE

Gen Chem (3 decks)

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