Module 1 Reviewer Flashcards

1
Q

Define chemistry

A

Science that describes matter, its properties, the changes it undergoes and the energy changes that accompany the processes.

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2
Q

Central science

A

Chemistry

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3
Q

Hydrocarbons & its derivatives

A

Organic chemistry

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4
Q

Inorganic compounds, minerals, metals

A

Inorganic chemistry

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5
Q

Detection and identification of substances present or the amount (qualitative) of each substance (quantitative).

A

Analytical chemistry

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6
Q

Processes in living organism

A

Biochemistry

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7
Q

Behavior of matter

A

Physical chemistry

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8
Q

Anything that has mass and occupies space

A

Matter

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9
Q

Anything that has mass and occupies space

A

Matter

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10
Q

Measure of the quantity of matter

A

Mass

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11
Q

Amount of space

A

Volume

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12
Q

Capacity to do work or transfer heat

A

Energy

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13
Q

Exothermic

A

Release (heat)

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14
Q

Endothermic

A

Absorbs (heat)

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15
Q

Rigid; Closely packed; orderly

A

Solid

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16
Q

Close; randomly arranged; Flows and assumes shape

A

Liquids

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17
Q

Molecules are far apart; fills any container completely

A

Gas

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18
Q

Solid to gas

A

Sublimation

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19
Q

Gas to solid

A

Deposition

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20
Q

Liquid to solid

A

Freezing

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21
Q

Solid to liquid

A

Melting

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22
Q

Liquid to gas

A

Boiling

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23
Q

Gas to liquid

A

Condensation

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24
Q

Whatever change doesn’t affect the composition& porperty

A

Physical change

25
Q

Can be observed/measured without changing the identity of the substance

A

Physical Property

26
Q

Exhibited by matter as it undergoes changes in matter

A

Chemical property

27
Q

Ex. of physical properties

A

Color, hardness, boiling point, melting point

28
Q

Ex. of chemical properties

A

• Hydrogen has the potential to ignite/explode
• Iron reacts with oxygen to form rust

29
Q

As you add quantity, nagbabago

A

Extensive property

30
Q

Dependent on the amount of the substance

A

Extensive property

31
Q

Mass, Length, Volume

A

Extensive property

32
Q

Independent on the amount of the substance

A

Intensive

33
Q

Boiling point, electricity, electrical conductivity

A

Intensive

34
Q

One or more substances are used up (change)

A

Chemical change

35
Q

New substance is formed (change)

A

Chemical change

36
Q

Irreversible

A

Chemical change

37
Q

Burning, cooking, souring

A

Chemical

38
Q

No change in chemical composition (change)

A

Physical change

39
Q

Reversible

A

Physical change

40
Q

Shredding, boiling, breaking

A

Physical change

41
Q

Variable composition/magkakaiba ng amount

A

Mixture

42
Q

May be separated into pure substance by physical methods (distillation, filtration)

A

Mixture

43
Q

Fixed composition (100% palagi) PURO

A

Pure substance

44
Q

Cannot be separated into simoler substances by physical method (kase wala naman pinaghalong iba)

A

Pure substance

45
Q

Components are not distinguisahble

A

Homogeneous mixture

46
Q

Single phase

A

Homogeneous mixture

47
Q

Same composition throughout

A

Homogenoeus

48
Q

Solution

A

Homogeneous mixture

49
Q

Components are distinguishable

A

Hetergeneous mixture

50
Q

Multiple phase

A

heterogeneous mixture

51
Q

Do not have the same composition throughout

A

Heterogeneous

52
Q

Suspension

A

Heterogeneous

53
Q

Colloid

A

Heterogeneous

54
Q

Can be decomposed by simpler substance through chemical changes

A

Compounds

55
Q

Consits of atoms of 2 or more elements bound together

A

Compound

56
Q

Water can be broken down into hydrogen and oxygen through electrolysis (ex.)

A

Compound

57
Q

Cannot be decomposed to simpler substance by chemical change

A

Elements

58
Q

Consist of only one kind of atom

A

Elements

59
Q

Modern atomic model

A

Quantum mechanical model & Elcerton cloud model