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Pure Substance and Mixtures Flashcards

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
opposite of metals
NONMETALS
25
gaseous or dull solids
NONMETALS
26
poor conductors of heat and electricity
NONMETALS
27
is the only nonmetal that exists in liquid form at room temperature
BROMINE
28
exhibit properties of both metals and nonmetal
METALLOIDS/SEMIMETALS
29
conducts heat and electricity but not as good as how metals act as conductors
METALLOIDS/SEMIMETALS
30
semiconductors
METALLOIDS/SEMIMETALS
31
are metalloids that are widely used in the manufacture of computer chips
SILICON AND GERMANIUM
32
composed of two or more different elements that are combined in a fixed ratio by a chemical reaction
COMPOUNDS
33
are formed when an element reacts with another element
COMPOUNDS
34
are products of chemical reactions between two or more compounds
COMPOUNDS
35
cannot be broken easily
CHEMICAL BOUNDS
36
can be broken down into simpler forms by chemical means
COMPOUNDS
37
contains carbon and hydrogen
ORGANIC COMPOUNDS
38
do not contain carbon-hydrogen bonds
INORGANIC COMPOUNDS
39
consist of two or more pure substances that are combined physically
MIXTURES
40
no chemical reaction between the components
MIXTURES
41
components retain their characteristic properties when mixed together
MIXTURES
42
each components has the same chemical makeup it had before the mixtures formed
MIXTURES
43
do not have definite proportions and definite properties
MIXTURES
44
properties depend on the substance that are present in it
MIXTURES
45
mixtures may be further classified as
HOMOGENEOUS AND HETEROGENEOUS
46
consists of substances that are evenly distributed all throughout
HOMOGENEOUS MIXTURE
47
the components cannot be distinguished from each other by the naked eye
HOMOGENEOUS MIXTURE
48
also known as solution
HOMOGENEOUS MIXTURE
49
composed of two components
SOLUTION
50
the substance that is dissolved by another substance; exists in smaller amounts
SOLUTE
51
the dissolving medium in which the solute dissolves; most abundant
SOLVENT
52
when substance dissolve in a given solvent
SOLUBLE
53
when liquids are soluble in each other at all proportions
MISCIBLE
54
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.
HOMOGENOUS MIXTURES
55
consists of substances that are not evenly distributed all throughout.
HETEROGENOUS MIXTURES
56
the components can be distinguished from each other by the naked eye.
HETEROGENOUS MIXTURES
57
can be further classified as colloids or suspensions
HETEROGENOUS MIXTURES
57
this phenomenon is called wherein light is scattered
TYNDALL EFFECT
58
its a heterogenous mixture with suspended particles that are large enough to be seen by the naked eye
SUSPENSIONS
58
a kind of matter with a definite or fixed composition
PURE SUBSTANCE
59
is a kind of matter that consists of two or more substance that are combined physically
MIXTURE
60
is the simplest form of matter made up of one type of atom
ELEMENT
61
is made up of different types of atoms that are combined chemically
COMPOUND
62
consists of particles that are evenly distributed all throughout
HOMOGENEOUS MIXTURE
63
consists of particles that are not evenly distributed all throughout
HETEROGENEOUS MIXTURE

Gen Chem (3 decks)

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