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Title: Chemistry1 chapter 1
Description: Chemistry1 chapter 1 matter and measurements
Description: Chemistry1 chapter 1 matter and measurements
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Chapter
1
Matter
Every
material
Classification
•
of
made of
molecules
Every
:
molecule
Measurements
is
atoms
of
made
matter :
molecules
liquid
molecules
are
Gas
molecules
are
tight
held
are
slightly
apart
from
apart
to
each
from
each
other Definite
...
other Indefinite
each
Shape
Definite volume
...
Composition
Element Substance that has distinct composition and properties
Compound Substance
Mixture
...
can
be
decomposed
decomposed
Heterogeneous
:
Can
to
on
on
the
:
Homogeneous
mixture
Does it have
a
Element
no
Compound
...
...
=
=
=
mass
Volume
Distance
time
→
Kg /m3
mlsec
separated
no
+
273
...
...
Homogeneous
Mixture
composition ?
variable
CIK 2-73
...
Rusting
,
depend
Intensive
It can't be
throughout ?
Properties
Color , Oder
or
Heterogeneous
yes
Physical
...
Physical
solid
•
is
and
q
separated
Pure Substance
into
simpler substances ?
Chapter
1
Uncertainty
•
•
Accuracy
Measurements
in
that
Measurements
are
Precision Measurements that
value
to each other
close
are
to the correct
close
...
Zeros
non
first
2
...
zeros at the end
•
Multiplication
→
•
Answer
=
and
-
non
-
a
division
Lowest
zeros
→
Zero
Significant
→
not
significant
Significant
decimal number
→
:
significant figure
...
factors
Conversion factor
=
desired unit
given
unit
Title: Chemistry1 chapter 1
Description: Chemistry1 chapter 1 matter and measurements
Description: Chemistry1 chapter 1 matter and measurements