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Student Lesson Guide
Chapter 19 Chemical Bonds – Section 1
1. Why is the Statue of Liberty green?
2. What does a chemical formula tell you?
3. Identify and list the number of atoms in the following compounds from Table
1 on page 575:
Milk of magnesia
Acetic acid
ethanol
4. What does the subscript to a chemical formula element tell you?
5. When do atoms form compounds?
6. Describe what happens to the properties of elements when atoms form
compounds.
7. What does the formula BaF2 tell you about this compound?
8. Why are some elements stable on their own while others are more stable in
compounds?
9. What elements and how many are in the compound SiO2? Make a dot
diagram of each element.
10. Draw a water molecule demonstrating hoe the electrons of hydrogen are
shared with oxygen – figure 6.
11. What is a chemical bond?
Lesson Guide
Chapter 19 – section 2 -3
Section 2 – Types of Bonds
1. Why do people need Iodine?
2. Explain what happens when iodine and potassium combine.
3. Define the following
a.
b.
c.
d.
Ionic bond
Polar molecule
Covalent bond
Molecule
4. Why does an atom make an ionic bond only with certain other atoms?
5. Compare the possession of electrons in ionic and covalent bonds.
6. What types of particles are formed by covalent bonds?
7. What is the difference in polar and non-polar molecules?
Chapter 19 – Section 3
1. What is a binary compound and what is an example?
2. What is the oxidation number?
3. List the special ions in Table 2 and their oxidation numbers.
4. List the steps for writing formulas for ionic compounds.
5. List the rules for writing binary ionic compounds.
6. What is a polyatomic ion?
7. How do you write formulas for polyatomic compounds?
8. What is a hydrate and give an example.
9. Write formulas for the following compounds: potassium iodide, magnesium
hydroxide, aluminum sulfate, chlorine heptoxide