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What do you call the following phase changes?
Solid to a liquid
Liquid to a solid
Liquid to a gas
Gas to a liquid
Solid to a gas
Gas to a solid
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Give an example of a physical change.
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Give an example of a chemical change.
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Which one of these changes represents water
turning from a liquid to a vapor?
What about bread rising?
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Give an example of a heterogeneous mixture.
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Give an example of a homogeneous mixture.
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Give an example of something that represents a
mixture.
Give an example of something that represents an
element.
Give an example of something that represents a
pure substance.
Give an example of something that represents a
compound.
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Iron, element number 26 has an atomic mass of
55.85 amu.
How many protons does iron have?
In its elemental state, how many electrons does it
have?
How many neutrons?
If iron reacts with another element, what ion can it
form?
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What is the difference between a hypothesis, a
theory and a law?
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Give an example of a theory.
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Give an example of a law.
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Based on what is a theory considered valid?
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Know what Rutherford and Bohr contributed
to atomic theory.
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Give an example of a state of matter that would
have low kinetic energy and high density.
(solid, liquid, gas, plasma)
What is a group/family?
Name the groups of the periodic table.
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What are the SI units for:
Length
Mass
Volume
Time
Weight
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Know the rules for:
Addition/subtraction
Multiplication/division
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What is the molar mass of potassium chloride?
What is the percent of carbon by mass in the
compound iron (II) carbonate?
What is the empirical formula of a compound that
is 78.1%B and 21.9%H?
The molar mass of a compound is 92 g/mol.
Analysis of a sample of the compound indicates
that it contains 0.606 g N and 1.390 g O. Find its
molecular formula.
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Name four things that indicate a chemical
reaction has taken place.
When magnesium is burned in the presence of
oxygen it bursts into bright white light and
forms a magnesium oxide. Write the balanced
chemical equation for this reaction and include
phase notation and type of reaction. Label
which part represents the reactants and which
represents the products.
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Be able to identify the following reactions:
Single replacement
Double replacement
Acid-Base (Neutralization)
Combustion
Synthesis
Decomposition
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What type of ions do transition metals tend to
form?
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Know how to name formulas and write them.
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What is a derived formula?
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The density of gold is 19.3 grams per cubic centimeter.
Calculate the mass of a block of gold that measures
10cm x 15mm x 2.5 cm.
What mass of iron has the same number of atoms as
100.03 grams of iodine?
What is the percent composition of lead (IV) nitrate?
Pb: ________%
N: _______%
O: _______%