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CHEMISTRY
GENERAL REVIEW IN CHEMISTRY

Direction: Identify the missing words in the sentences and use the word(s) given in the
box
...


Chemical

Solution

Physical

definite size

electron

liquid to gas

Democritus

masses

Extensive

solid to gas

relative

different

Vapor

protons

Aristotle

suspension

Millikan drop

James Chadwick

Mixture

Ionic

Compounds

absolute zero

sour

Colloid

bitter

to red

Plato

mass number

blue

Atom

reactions

Neutron

identical

liquid to solid

Ernest Ruther Ford

Intensive

Nucleus

Elements

Joseph John Thompson

Substance that dissolves a solute

continuous phase

Robert Andrews Millikan

heterogeneous

Pure Substance Matter

Classification of Matter

Classification of Matter according to phase
or state:
Solid –has both a definite shape and a
definite volume
...
Liquid- has a distinct volume or
________ of its container but has no
specific shape
...
Gas –also known as _____
...

3
...


Classification of matter according to
composition:

4
...

Example: Water, table salt
5
...
Each element is
composed of only one kind of atom
...
______________- composed of two
or more elements, and thus contains
two or more kinds of atoms
...
_____________- combination of two
or more substances in which each
substance retains its own chemical
identity and hence its own property
...

10
...

11
...
__________________ Example:
paint, mayonnaise
13
...

Example: Muddy water

Properties of Matter
8
...

Example: air
9
...

Example: halo-halo, fruit salad

14
...
__________ properties- describe the
way a substance may change or
react to form other substances
Example: Combustibility,
flammability

Physical Properties:

16
...

Example: mass, volume, length
17
...

Example: color, odor, density,
melting and boiling point, etc
...
_____________(460-370 B
...
)thought that the world must be
made up of tiny indivisible particles
that he and other early Greek
philosophers called atomos,
meaning “indivisible”
24
...
C) and
25
...
C)- believed
that all materials could be broken
down into smaller and smaller pats
without end
...
_________ change- a substance
changes its physical appearance but
not its composition
...
__________ change- also called
chemical reaction; a substance is
transformed into a chemically
different substance
...
Vaporization- ____________
Deposition- gas to solid
21
...
Sublimation- ___________

26
...

27
...
The atoms of different elements are
________and have different
properties
29
...
Atoms of an element are not
changed into different types of
atoms by chemical _________;
atoms are neither created nor
destroyed in chemical reactions
...
___________are formed when
atoms of more than one element
combine;
32
...


Structure of the Atom
33
...

34
...

35
...

36
...
He discovered the _________ in
1919
...
_____________ (1891-1972) –
discovered the neutral particles in
1932
...

39
...
_________(1
...
Each
element has a unique number of
protons
...
_________ (1
...
The atoms of an

element may have different
numbers of neutrons
...
________ (5
...

43
...
The specific number of
protons is different for different
elements
...
The sum of the number of protons
and number of neutrons is
called_____________
...
__________- composed of metal
and nonmetal
...
_________ (Molecular) –composed
of nonmetals and also metalloids
...
Taste_______
Burn when touching skin
48
...
Taste_______
Feel slippery
50
...
Definite size
2
...
Absolute zero
4
...
Elements
6
...
Mixture
8
...
Heterogeneous
10
...
Colloid
12
...
Suspension
14
...
Chemical
16
...
Intensive
18
...
Chemical
20
...
Liquid to solid
22
...
Democritus
24
...
Aristotle

26
...
Identical
28
...
Masses
30
...
Compounds
32
...
Joseph John Thompson
34
...
Ernest Ruther Ford
36
...
Protons
38
...
Nucleus
40
...
Neutron
42
...
Protons
44
...
Ionic
46
...
Sour
48
...
Bitter
50

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