Chapter 2: Matter and Change Guided Notes Name: 2.1 Properties

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Chapter
2:
Matter
and
Change
Guided
Notes
 
 
 
 2.1
Properties
of
Matter


 1.

2.

3.

Properties
used
to
describe
 ____________
is
anything
that
has
mass
and
takes
up
space.


Define
the
following:
 a.


 b.

mass


–



volume


–



matter Name:
___________________


 
can
be
classified
as
_______________
or
____________.


4.

5.

6.

7.

Matter
that
has
a
uniform
and
definite
composition
is
called
a
______________.


True
or
False.
Every
sample
of
a
given
substance
has
identical
intensive
properties
because
 every
sample
has
the
same
composition.


Hardness,
color,
conductivity,
and
malleability
are
examples
of
_____________________.


Define


Physical
Property


‐

 
 
 8.

9.

Look
at
Table
2.1
on
Page
40.

 a.

Which
substance
has
the
lowest
melting
point?

 b.







a.









 
 Which
substance
has
the
highest
melting
point?

 What
are
three
 


states


 
of
matter?
Draw
a
diagram
of
particles
in
each
state
of
matter.


b.



 
 
 
 c.




 
 
 
 
 
 10.

A
_____________
is
a
form
of
matter
that
has
a
definite
shape
and
volume.
It
is
also
not
 easily
compressed.


11.

A
liquid
is
a
form
of
matter
that
___________________________________________
.


12.

True
or
False.
A
gas
has
a
definite
shape,
indefinite
volume,
and
is
easily
compressed.


 13.

In
a
solid,
the
particles
are
packed
_____________________________________________
.


14.

What
is
a
gas?


15.

What
makes
a


vapor


different
from
other
gases?


16.

During
a
___________
____________,
some
properties
of
a
material
change,
but
the
 composition
of
the
material
does
not.


17.

List
as
many
examples
of
a


Physical
Change


as
you
can
think
of
or
find
in
the
section.



 18.

True
or
False.
Physical
changes
can
be
reversible
or
irreversible.


2.2
Mixtures


 19.

Define


Mixture

:
 
 20.

Most
samples
of
matter
are
____________________.


21.

A
mixture
in
which
the
composition
is
not
uniform
throughout
is
a
 ______________________.


22.

A
mixture
in
which
the
composition
is
uniform
throughout
is
a
 ________________________.


23.

A
_________________
is
another
name
for
a
homogeneous
mixture.

 
 24.

True
or
False.
A
phase
is
used
to
describe
any
part
of
a
sample
with
uniform
composition
 and
properties.


25.

Circle
One:
 a.

A


homogeneous
mixture


must
consist
of
(2
or
more
phases
OR
a
single
phase).


b.

A


heterogeneous
mixture


may
consist
of
(2
or
more
phases
OR
a
single
phase).


26.


 Answer
Practice
Problems
9
and
10
here:


NOTE:

The
ANSWERS
to
all
PRACTICE
PROBLEMS
are
at
the
back
of
your
book!


9)
 
 
 
 
 
 10)
 
 
 
 



 What
four
methods
can
be
used
to
separate
mixtures?

Your
teacher
will
tell
you
the
 definitions
for
those
not
in
the
book!


Define


filtration

:
 
 
 
 
 Define


distillation

:
 
 
 
 
 
 
 
 
 
 
 Define


crystallization

:
 
 
 
 Define


chromatography

:
 
 
 
 27.

Draw
a
picture
of
a
distillation
apparatus.

Use
figure
2.8
to
guide
you!


28.

List
several
examples
of
homogeneous
mixtures
(a.k.a.
solutions)
and
heterogeneous
 mixtures:
 homogeneous

 
 
 
 
 heterogeneous


2.3
Element
and
Compounds


31.

Define:
 a.

Element


‐

 b.

Compound


‐

 
 32.

What
is
the
key
difference
between
elements
and
compounds?



 33.

Which
is
found
on
the
periodic
table
–
elements
or
compounds?


34.

Define


Chemical
Change

.


35.

For
each
of
the
following
–
state
if
it
is
a
compound
or
an
element:
 a.

Sugar
 
 b.
carbon
 37.

Copy
the
flow
chart
in
Figure
2.11.

 c.
water
 d.
hydrogen
 
 e.
oxygen
 36.

True
or
False
 The
properties
of
compounds
are
the
same
as
those
for
the
elements
they’re
 made
from.



 
 
 
 
 
 
 
 
 
 
 
 
 38.

Use
the
space
below
to
answer
practice
problems
18
&
19:
 18)
 
 
 
 
 
 19)
 
 
 
 
 
 
 
 39.

What
is
the
chemical
symbol
for
the
following:
 a.

sodium
 
 b.
potassium
 
 
 c.
iron
 
 
 40.

How
many
‘parts’
potassium
are
there
to
each
‘part’
sulfur
in
K 2 S?



 41.

What
is
the
‘2’
number
after
the
K
called
in
#40?


d.
copper



 
 
 
 
 42.

Define
the
following:
 a.

Chemical
property


–
 
 b.

Chemical
change


–
 
 c.


 d.


 e.

Chemical
reaction Reactant Product


‐
 
–
 
–


2.4
Chemical
Reactions


43.

What
are
some
clues
that
a
chemical
change
has
occurred?


44.

What
is
a


precipitate

?


45.

True
or
False
 When
a
chemical
reaction
occurs
the
mass
at
the
end
of
the
reaction
is
equal
 to
the
mass
at
the
start
of
the
reaction.


46.

True
or
False
 The
law
of
conservation
of
mass
states
that
mass
is
only
conserved
in
 physical
changes.


47.

Identify
the
following
as
a
physical
change/property
or
chemical
change/property:
 a.

Water
boils
 b.

c.

d.

e.

f.

g.

h.

i.

j.

Iron
rusts
 Burning
bread
 Sugar
dissolves
in
water
 Freezing
an
OtterPop
 n.

o.

p.

q.

r.

s.

t.

Yogurt
going
bad
 Tearing
paper
 Two
liquids
mix
and
form
a
solid
 Neon
is
an
unreactive
gas
 k.

l.

Melting
an
ice
cube
 Silver
tarnishes
 Mixing
two
liquids
and
noticing
a
temperature
change
 m.

Hydrogen
fluoride
reacts
with
sodium
hydroxide
to
form
water
and
a
salt
 Adding
two
clear
colorless
liquids
and
the
solution
turns
green
 Fermentation
 Cooking
a
steak
 Mixing
kool‐aid
in
water
 Evaporation
 You
mix
two
chemicals
and
they
emit
a
new
odor
 You
mix
two
liquids
and
they
emit
a
gas
 u.

v.

You
heat
a
liquid
and
it
goes
into
gaseous
state
 An
ice
cube
cools
down
a
cup
of
lemonade
 w.

Aluminum
reacts
with
copper
(II)
sulfate


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