Ch. 7,8,9 test review

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Ionic and Molecular Compound Study Guide
Ionic Compounds
1. Which electrons are involved in chemical bonding and responsible for giving the elements their
properties?
2. How mane valence electrons do each of the following elements have:
a. Aluminum
______
b. Bromine
______
c. Magnesium ______
d. Nitrogen
______
3. Write the electron dot structure for Calcium and Phosphorus:
4. Define the Octet Rule:
5. Cations have a _______________ charge because they _______________ electrons.
6. Anions have a _______________ charge because they _______________ electrons.
7. Cations are a metal or non-metal?
8. Anions are a metal or a non-metal?
9. Ionic compounds are a bond between a ________________ and a(n) ___________________.
10. Ionic compounds are a bond between a ________________ and a(n) ___________________.
11. Ionic compounds have a net charge of __________.
12. What does a chemical formula show us?
13. Define an Ionic Bond:
Molecular Compounds
1. Define a covalent Bond:
2. What is the definition of a molecule:
3. What does a molecular formula show:
4. Describe the purpose of a structural formula:
5. How does the Octet rule apply to covalent bonds?
6. What is the difference between single, double, and triple covalent bonds?
7. What is the purpose of the VESPR Theory:
8. What is the difference between a polar and a non-polar bond.
9. What are the two Van der Waal forces:
Ionic vs. Molecular Properties
On the line after the property indicate if it is a property of an ionic or molecular compound.
1. Usually a gas or liquid at room temp.
________________________________
2. Conduct electricity when melted or dissolved in water(solution)
________________________________
3. Usually consist of a two or more non-metals bonded together
________________________________
4. Usually consist of a metal bonded to a non-metal
________________________________
5. Usually a solid a room temp. and can be referred to as a salt
________________________________
6. Generally high melting and boiling points
________________________________
7. Generally low melting and boiling points
________________________________
8. Properties of the compounds can vary depending on composition ________________________________
9. Mostly Soluble(can dissolve in water)
________________________________
10. Shape is a repeating 3-d pattern
________________________________
Chemical Nomenclature (Naming Compounds)
Part 1: Correctly name the following compounds
1. BrCl
____________________________________________________
2. SO2
______________________________________________________________
3. CuBr2
______________________________________________________________
4. MgCl2
______________________________________________________________
5. NaOH
____________________________________________________
6. Li2SO4
______________________________________________________________________________
7. C2H6
______________________________________________________________
8. N2O3
______________________________________________________________
9. IF5
______________________________________________________________
10. NiBr2
______________________________________________________________________________
Part 2: Write the correct formula for the following compounds
1. mercury(II) oxide
__________________________________
2. aluminum sulfate
__________________________________
3. sulfur dioxide
__________________________________
4. nitrogen hydride
__________________________________
5. tetraphosphorus pentoxide
__________________________________
6. zinc nitrite
__________________________________
7. hexaboron silicide
__________________________________
8. calcium bromide
__________________________________
9. sodium acetate
__________________________________
10. carbon tetrachloride
__________________________________
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