Review of Matter
Matter
Pure Substances
Elements
Energy
Mixtures
Compounds
Heterogeneous
Homogeneous
States of Matter
•
What is the
physical state of
each item at room
temperature?
•
•
•
•
•
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gold
gasoline
helium
paraffin wax
rubbing alcohol
mercury
Mixtures
•
Classify each of the
following as homogeneous
or heterogeneous
mixtures.
–
–
–
–
–
blood
chocolate chip ice cream
brass
motor oil
black coffee
•
•
•
•
•
Heterogeneous
Heterogeneous
Homogeneous
Homogeneous
Homogeneous
Mixtures
•
How many phases does every solution
have?
•
•
•
•
1
2
3
0
Mixtures
Classify each of the
following as an
element or a mixture
•
•
•
•
•
•
silver
pine tree
orange juice
oxygen
iced tea
air
•
•
•
•
•
•
Element
Mixture
Mixture
Element
Mixture
Mixture
Elements
Name the colored
element in each
of the following
compounds
•
•
•
•
NH4Cl
KMnO4
C3H7OH
CaI2
•
•
•
•
(nitrogen)
(potassium)
(carbon)
(iodine)
Elements
How many total
elements make up
each of the
following
compounds?
• NH4Cl
•
3
– 6
•
•
4
KMnO4
•
•
•
7
3
6
•
C3H7OH
•
•
•
•
11
12
4
CaI2
•
•
•
3
4
2
Physical or Chemical Change
Classify each of the following
as a physical or chemical
change.
•
•
•
•
bending a piece of wire
burning coal
cooking a steak
cutting grass
•
•
•
•
Physical
Chemical
Chemical
Physical
Physical or Chemical Change
Classify each of the following
as being either a physical
or chemical change
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•
•
•
•
•
•
color change
boiling
cutting
energy absorbed or
released
gas produced
freezing
odor change
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•
•
•
•
•
•
Chemical
Physical
Physical
Chemical
Chemical
Physical
Chemical
Mixture or Compound?
•
Identify each of the
following as a mixture
or a compound.
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•
•
•
•
•
•
•
soda
candle wax
fog
ink
egg
ice
gasoline
blood
•
•
•
•
•
•
•
•
Mixture
Mixture
Mixture
Mixture
Mixture
Compound
Mixture
Mixture
Heterogeneous or Homogeneous?
Identify each of the
following as being a
heterogeneous or
homogeneous
mixture.
•
•
•
•
•
•
•
soda
candle wax
fog
ink
egg
gasoline
blood
•
•
•
•
•
•
•
Homogeneous
Homogeneous
Heterogeneous
Homogeneous
Heterogeneous
Homogeneous
Homogeneous
Chemical or Physical?
•
Classify the following
properties of the element
silicon as chemical or
physical properties.
•
•
•
•
•
blue-grey color
brittle
insoluble in water
melts at 1410 °C
reacts vigorously w/ fluorine
•
•
•
•
•
Physical
Physical
Physical
Physical
Chemical
Look at the following models. (1) Identify each as a substance or a mixture.
(2) Then describe its composition as elements only, compounds
only, mix of elements, and mix of compounds.
• (a) substance /elements only
• (b) mixture /mix of compounds
• (c) substance /elements only
(diatomic)
• (d) substance /elements only
• (e) mixture / mix of elements
• (f) mixture /mix of elements
• (g) substance /compounds only
• (h) mixture /mix of elements