Module 1 Reviewer Flashcards

(59 cards)

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
Can be observed/measured without changing the identity of the substance
Physical Property
26
Exhibited by matter as it undergoes changes in matter
Chemical property
27
Ex. of physical properties
Color, hardness, boiling point, melting point
28
Ex. of chemical properties
• Hydrogen has the potential to ignite/explode • Iron reacts with oxygen to form rust
29
As you add quantity, nagbabago
Extensive property
30
Dependent on the amount of the substance
Extensive property
31
Mass, Length, Volume
Extensive property
32
Independent on the amount of the substance
Intensive
33
Boiling point, electricity, electrical conductivity
Intensive
34
One or more substances are used up (change)
Chemical change
35
New substance is formed (change)
Chemical change
36
Irreversible
Chemical change
37
Burning, cooking, souring
Chemical
38
No change in chemical composition (change)
Physical change
39
Reversible
Physical change
40
Shredding, boiling, breaking
Physical change
41
Variable composition/magkakaiba ng amount
Mixture
42
May be separated into pure substance by physical methods (distillation, filtration)
Mixture
43
Fixed composition (100% palagi) PURO
Pure substance
44
Cannot be separated into simoler substances by physical method (kase wala naman pinaghalong iba)
Pure substance
45
Components are not distinguisahble
Homogeneous mixture
46
Single phase
Homogeneous mixture
47
Same composition throughout
Homogenoeus
48
Solution
Homogeneous mixture
49
Components are distinguishable
Hetergeneous mixture
50
Multiple phase
heterogeneous mixture
51
Do not have the same composition throughout
Heterogeneous
52
Suspension
Heterogeneous
53
Colloid
Heterogeneous
54
Can be decomposed by simpler substance through chemical changes
Compounds
55
Consits of atoms of 2 or more elements bound together
Compound
56
Water can be broken down into hydrogen and oxygen through electrolysis (ex.)
Compound
57
Cannot be decomposed to simpler substance by chemical change
Elements
58
Consist of only one kind of atom
Elements
59
Modern atomic model
Quantum mechanical model & Elcerton cloud model