Chemistry Unit Review
3 Types of Sub-atomic Particles, their Location in an Atom, and how to find their number from the periodic table (section 1.1)
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The Periodic Table has how many Groups of Elements?
How many Periods of Elements?
(section 1.1)
What are valence electrons and why are they important? How can the periodic table be used to determine the valence electrons of an
atom? (section 1.1)
Determine the number of valence electrons for the following atoms:
H
Ca
O
Ne
What are the noble gases? Describe their ability to bond (section 1.1)
Why are atoms considered to be neutral particles? (section 1.2)
What are the 3 types of bonds we discussed in this unit? Define each and give an example (sections 1.2 & 1.3)
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Define Crystal Lattice (section 1.2)
Compare and Contrast Atoms and Ions (section 1.2)
Define Diatomic Molecule and give 3 Examples (section 1.3)
What is a Chemical Reaction (section 2.1)
Four Signs of a Chemical Reaction (section 2.1)
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In the proper sequence, describe what happens during a Chemical Reaction (section 2.1)
Define the terms Products and Reactants. Write a balanced chemical equation and label the products and reactants (section 2.2)
Name the following Covalent Compounds (section 2.2):
Name the following Ionic Compounds (section 2.2):
CO2
N2O
CO
CCl4
MgCl2
NaCl
Insert Coefficients and Balance the following Chemical Equations (section 2.2):
______H 2 + _____O2  _____H2O
______Mg + ______N2  ______Mg3N2
What does the Law of Conservation of Mass state (section 2.2)
List and Define the Four Types of Chemical Reactions (section 2.3)
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What does it mean for a chemical reaction to be Exothermic (section 2.4)
What does it mean for a chemical reaction to be Endothermic (section 2.4)
What does the Law of Conservation of Energy state (section 2.4)
Define Activation Energy and give 3 examples (section 2.4)
List 5 Factors Affecting Rate of Reaction and explain how they affect reaction rate (section 2.4)
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What is an Acid? What are 4 properties of Acids? (section 3.2)
What is a Base? What are 4 properties of Bases? (section 3.2)
What is an Indicator? Give 4 examples of Indicators that we used or discussed in class. (section 3.3)
The pH Scale ranges from 0-14. Where do Acids fall on the pH Scale? Bases? Neutral substances? (section 3.3)
What two substances are always formed during a Neutralization Reaction? (section 3.3)
In chemistry, what is a Salt? (section 3.3)
What is Radioactivity? (section 4.1)
What are the 3 kinds of Radioactive Decay discussed during this unit? (section 4.1)
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Compare and Contrast the Penetrating Power of the 3 types of Radioactive particles/rays. (section 4.1)
Which type of Radioactive Decay is most dangerous to living matter? Why? (section 4.1)
Name a use of radioactivity in the home, one in industry, and one in healthcare. (section 4.1)
What is an isotope? (section 4.1)
What does the term Half-Life mean? (section 4.1)
Sample Half-Life problem: If the remains of a wooden tool contains ¼ of its original amount of Carbon-14, approximately how old is
the tool? (section 4.1)
Compare and Contrast Nuclear Fission & Nuclear Fusion (section 4.2)
Which process (Fission or Fusion) occurs in Nuclear Power Plants? (section 4.2)
Which process (Fission or Fusion) occurs in the Sun’s core? What state of matter is found here? What is true about the temperature
required for this process to occur? (section 4.2)
What are the advantages and disadvantages of fission and fusion?