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10-11 > CHEM 1 > Flashcards

CHEM 1 Flashcards

1
Q

study of properties of chemical and chemical bonds: chemical reaction and quantitative: solutions in solubility

A

Chemistry

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2
Q

branch of science that deals with the properties, composition and structure of elements

A

Chemistry

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3
Q

branch of science that deals with the properties, composition and structure of elements

A

Chemistry

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4
Q

has fixed shape and volume

A

Solid

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5
Q

have definite volume but indefinite shape

A

Liquid

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6
Q

has no fixed volume or shape

A

Gas

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7
Q

natural light

A

Plasma

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8
Q

Liquid and gas

A

Boise Einstein

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9
Q

Without changing the composition of the substances

A

Physical appearance

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10
Q

With changing the composition of the substances

A

Chemical properties

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11
Q

Characteristics or trait of matter that does not depend on the amount

A

Intensive property

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12
Q

Depends on the amount of substances

A

Extensive property

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13
Q

Refers to form of matter that has a definite( constant) composition

A

Substances

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14
Q

Constant composition

A

Pure substance

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15
Q

Simplest substance that cannot be broken down

A

Elements

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16
Q

Two or more different element

A

Compound

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17
Q

Uniform appearance throughout the appearance

A

Homogeneous

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18
Q

Not uniform in appearance and component are observed

A

Heterogeneous

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19
Q

Symbolic expression of a compound or substance
Shorthand of expressing atoms in a substance

A

Chemical formula

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20
Q

N2O

A

Nitrous oxide

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21
Q

CO2

A

Carbon dioxide

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22
Q

C2H6O

A

Ethanol

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23
Q

NaCl

A

Table salt

24
Q

C2H4O2

A

Vinegar

25
Q

C6H12O6

A

Glucose sugat

26
Q

C12H22O11

A

Sucrose (table sugar)

27
Q

NH4

A

Ammonia

28
Q

H2O2

A

Hydrogen peroxide

29
Q

Greek word “ISO’s” and “topos”

A

The same place

30
Q

Isotopes are introduced by a British chemist

A

Frederick Soddy

31
Q

Refers to an atom of the same element which contains the same number of protons but different number of neutron

A

Isotopes

32
Q

Have stable proton-neutron combination and do not display any sign of decay

A

Stable isotopea

33
Q

If an atom has too many or too few neutrons (present)

A

Unstable isotopes

34
Q

Basic building block of matter that cannot be divided into smaller parts using chemical means

A

Atom

35
Q

Best described through different atomic models

A

Atomic structure

36
Q

Positive electric charge and is stable

A

Proton

37
Q

Positive electric charge and is stable

A

Proton

38
Q

No electric charge

A

Neutron

39
Q

Smaller than neutron and proton
Evolving somewhere around the nucleus

A

Electron

40
Q

Sum of the numbers of protons and neutrons in an atom

A

Mass number

41
Q

Elements distinctive number of protons
Represent the number of electrons in the same element

A

Atomic number

42
Q

described as a procedure, process, way or techniques

A

Method

43
Q

To move, segregate or keep apart

A

Seperate

44
Q

Constitute, section or a part of a larger whole

A

Component

45
Q

A substance produced when two or more pure substances are put together in any portion without chemical union

A

Mixture

46
Q

Refers to procedure or process of segregating or moving the constitute or part of a substance which is made up of two or more substance

A

Methods of separating components of mixture

47
Q

Process of separating the insoluble solid from the liquid substance pass through filtering agent

A

Filtration

48
Q

Solid particles which are retained in the filter paper

A

Residue

49
Q

Clear liquid which passes through a filtering paper

A

Filtrate

50
Q

Separate liquid layer known as supernatant and Heavy insoluble solid known as precipitate

A

Decantation

51
Q

Use of forceps, sieves, magnet and other similar tools

A

Mechanical separation

52
Q

Use of a motor device known as centrifuge that speeds up using centrifugal motion

A

Centrifugation

53
Q

Processes involve the evaporation and condensation of a liquid from mixture solution
Boiling point

A

Distillation

54
Q

Use of different degrees to which substance are absorbed on the surface of filter paper

A

Chromatography

55
Q

chemical decomposition or breakdown produced by passing an electric current through liquid or solution

A

Electrolysis

10-11 (22 decks)

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