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CHEMISTRY EXAM 2 REVIEW
Name_____________________________ Per ____
Periodic Table, Physical and Chemical Properties, Changes, and Reactions
Guardian Signature: _________________________________________________________________
My child completed this review and studied for at least 30 minutes.
Define the following chemistry terms: [Chemistry Dictionary]
1. alloy a mixture of metals
2. brittleness the property of matter that is how easily the substance breaks or shatters
when force is applied to it.
3. compound a substance made up of two or more elements that are combined chemically.
4. density physical property, mass/volume. Compared with water, does substance sink,
float, or equal density
5. ductility property of a metal in which it can be stretched without breaking.
6. elasticity the ability of a substance to be stretched and then to return to its original
shape.
7. endothermic reaction heat energy is absorbed in a chemical reaction; feels cold/cool
8. exothermic reaction heat energy is released during a chemical reaction; feels warm/hot
9. hardness property of matter that determines how easily the substance can be
scratched.
10. malleability the temperature at which a substance changes from a solid to a liquid.
11. mixture several substances put together that can be easily separated by physical
means.
12. property a characteristic of matter such as color, density, brittleness, etc..
Complete the T-chart with the properties listed [Journal: 4-Square Properties, Properties Labs]
malleability
flammability
solubility in water
solubility in acid
corrosiveness
ductility
color
hardness
brittleness
conductivity
luster
density
PHYSICAL PROPERTIES
Malleability
Solubility in water
Ductility
Color
Hardness
Luster
Density
Conductivity
Brittleness
CHEMICAL PROPERTIES
flammability
Solubility in acid
Corrosiveness
Physical or Chemical Change:
Chemical
Physical
Chemical
Physical
Physical
Physical
Chemical
Chemical
Chemical
Physical
Chemical
Milk sours
Ice melts
Brownies bake in the oven
Antifreeze is added to a car radiator to lower the freezing point
Crayons break
Cutting your hair
Gasoline burns in a car engine
Silver tarnishes
Bicycle rusts
Car hood dents
Acid reaction
Periodic Table of Elements: Name the correct family for each of the following elements:
Boron
Boron Family
Sodium
Alkali Metals
Argon
Noble Gas
Lithium
Alkali Metals
Copper
Precious Metals
Chromium
Transition Metal
Lead
Carbon Family
Chlorine
Halogen
Name the three elements of the Iron Triad: Iron, Nickel, Cobalt
Name three elements in the precious metals group Copper, Silver, Gold
Element, Compound, or Mixture:
Ca
Element
CaCO3
Compound
Salt
Compound
Trail mix
Mixture
Cl
Element
CO2
Compound
Cinnamon sugar
Mixture
Review Pouring a Gas Lab [Journal]
Review “It’s in the Bag” Chemical Reaction Lab [Lab Report]