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Chemistry > 1st Quarter > Flashcards

1st Quarter Flashcards

1
Q

Molecules that make up all things

A

Matter

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2
Q

______ Are atom

A

Element

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3
Q

The basic unit of chemical element

A

Atom

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4
Q

2 or more elements being bonded together to form a new compound or molecule

A

Compound

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5
Q

HCL

A

Hydrochloric Acid

Hydrogen Chloride

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6
Q

visual perception of different wavelengths of light reflected by a substance

A

Color (Intensive)

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7
Q

the feel or appearance of a surface

A

Texture (In)

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8
Q

degree or intensity of heat present in a substance lobject

A

(in) Temperature

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9
Q

quantity of matter within a given Object

A

(ex) Mass

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10
Q

the amount of space that a substance / object occupies.

A

(ex) Volume

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11
Q

mass of a substance per unit volume

A

(ex) Density

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12
Q

the way a substance reflects light.

reflection

A

(in) Luster

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13
Q

the ability of a substance to be stretched without breaking

stretched into a wire

A

(in) Ductility

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14
Q

the ability of a substance to deform or be molded into different shape

A

(in) Malleability

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15
Q

solid, liquid, gas

the physical form in which substance exist

A

(In/ex) State / State of matter

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16
Q

the temperature at which a stolid turns into liquid/vice versa

A

(in) Melting pointm/ freezing point

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17
Q

the temperature at which liquid turns into gas / vice versa

A

(in) Boiling point / Condensation point

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18
Q

a measure of how resistant a material is from scratching or abrasion

A

Hardness

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19
Q

color of mineral is its powdered form (scratch)

color when rubbed in a porcelain plate

A

Streak

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20
Q

color of mineral is its powdered form (scratch)

A

Streak

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21
Q

the external form, contours or outline of someone or something

A

Shape

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22
Q

Lowest density element

A

Hydrogen

0.0009 g/cm³

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23
Q

Highest density element

A

Osmium

23 g/cm³

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24
Q

4th state of matter

A

Plasma

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25
Q

-does not depend on the amount Something of substance present

Determine by the chemical composition of the particles and their structure ( arrangement ) ( intensive - internal )

A

Intensive Property

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26
Q

One does depends on the amount of substance present

Depend only on the amount of particles, not on their composition or internal arrangements ( external - extensive)

A

Extensive Property

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27
Q

Structure of diamond

A

Covalent bond, carbon atom

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28
Q

Structure of graphite

A

Covalent bond, weak binding forces, carbon atom

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29
Q

Nonmetal to nonmetal, sharing of electrons

A

Covalent Bond

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30
Q

taking of electrons

A

Ionic

31
Q

sharing of electrons

A

covalent

32
Q

Only quality that is observed through chemical reactions

A

Chemical Property

33
Q

A trait of matter that can only be observed if a substance has the property

In the process of testing the chemical Property, the substance change composition it it has that property

A

Chemical Property

34
Q

-rusting ( iron)
tarnishing ( silver, copper, brass, etc.)

A

Reactivity with oxygen

Chemical Property

35
Q

tendency of a substance to chemicaly react w/ water

A

Reactivity with water
Chemical Property

36
Q

tendency of a substance to chemically reacts with acid

A

Reactivity with acids or bases
Chemical property

37
Q

tendency of matter to burn

A

Combustibility/Flammability

38
Q
  • tendency of matter to burn
A

Combustibility/Flammability

39
Q

What something is made of is always a Chemical property

A

Chemical Formula ( chemical composition)

40
Q

Chemical formula of

Rust
Water
Diamond

A

Rust - Fe2O3

Water - H20

Diamond - C

41
Q

All chemicals properties are intensive, none are extensive

Why?

A

Because chemical properties never depend on how much a substance is present, but only on what kind of particles make up the substance

42
Q

A distinctive property that helps you determine the identity of a material

A

Characteric property

43
Q

Mohs Scale of Hardness

A

10 - Diamond
6.5 - Ceramic
5.5 - Glass
3.5 - Penny
2.5 - Fingernail
1 - Talc

44
Q

Shape of crystal is called

A

Habit

45
Q

How many atom

A

24

46
Q

0-6 is

A

Acid

47
Q

7 is

A

Neutral

48
Q

8-13 is

A

Base

49
Q

Sodium Chloride

A

NaCl

50
Q

Potassium Manganate

A

KMnOH

51
Q

Simplest form of hydrocarbons

A

Methane

52
Q

Simplest form of organic compounds

A

Alkane

53
Q

Carbon containing compound

A

Organic Compound

54
Q

Alkanes formula

A

CnH2n + 2

55
Q

Alkenes formula

A

CnH2n

56
Q

Alkynes formula

A

CnH2n - 2

57
Q

Saturated hydrocarbon is

A

Alkanes

58
Q

The group of organic compound that is consist of one or single bond

A

Saturated hydrocarbon

59
Q

The group of organic compound that is consist of on one double bond/ one triple bond

A

Unsaturated hydrocarbon

60
Q

Saturated hydrocarbon - single bond

A

Alkanes

61
Q

Unsaturated hydrocarbon - double bond

A

Alkenes

62
Q

Unsaturated hydrocarbon
Triple Bond

A

Alkynes

63
Q

one or more species of atoms of a chemical element w/ the same atomic number and position in the periodic table and nearly identical chemical behavior but with dif. atomic mass and physical property

A

Isotopes

64
Q

electrons in the outermost shell and highest energy level of an atom

A

Valence Electron

65
Q

used to describe the arrangement and distribution of electrons based on its increasing level of energy and orbital/sublevel

A

Electronic configuration

66
Q

the device used to write the electronic configuration of given elements

A

Mnemonic device

67
Q

for the element to become stable, they need to acquire 8 numbers of valence electron

A

Octet rule

68
Q

filling the s and p sublevels partially

A

Representative element

69
Q

filling the d sub level

A

Transition element

70
Q

filling the f sub level

A

Inner transition elements

71
Q

stable clement

-filling the s and p sublevels completely

A

Noble Gases

72
Q

form new compound/molecule

A

Chemical property

73
Q

form new compound/molecule

A

Chemical property

Chemistry (3 decks)

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