Naming Compounds and Bonding REVIEW
NAME_______________________
1. Determine the number of valence electrons in the following:
a. C
c. Ga
b. Br
d. Sr
e. Li
2. Draw the electron dot structures for the above atoms.
3. State the number of electrons that would be GAINED or LOST if the following neutral atoms
became IONS:
a. Mg _____________
c. P
b. Cl _____________
d. Ag
4. Classify the following as an atom, cation, anion, or molecule.
a. Fe +3
c. Ne
b. O-2
d. CO2
5. Name each ion, then tell whether it is a cation or anion.
a. Ca+2
b. Se-2
6. Write
a.
b.
c.
d.
the formulas for these compounds:
Potassium sulfide
Tin (IV) chloride
Calcium Oxide
Sulfur hexafluoride
e. Ammonium hydroxide
f. Calcium cyanide
g. Aluminum sulfate
7. Complete the table by writing the correct formula for the compounds created by combining
the positive cation and negative anion… similar to the CrissxCross Lab.
Sulfate
Nitrate
Hydroxide
Phosphate
Calcium Ion
Aluminum Ion
Iron (II)
Lead (IV)
8. Name
a.
b.
c.
or write the formula for the following compounds:
AlCl3
d. KOH
Mg3(PO4)2
e. Nickel (III) cyanide
AgCl
f. Cobalt (II) nitrate
9. Write
a.
b.
c.
d.
the name or the formula for the following compounds.
Sulfur dioxide
e. O2
Carbon tetrachloride
f. P4S5
Iodine pentaflouride
g. NF3
B2Si
10. Draw the electron dot structures for the following compounds.
a. CF4
c. F2
b. H2S
d. AsCl3
11. Predict the shapes of the following molecules and tell if it’s polar/nonpolar:
a. H2O
b. HF
c. CCl4
d. PH3
e. O2
12. Rank the following bonds from strongest to weakest: ionic, double covalent, triple
covalent, single covalent, dispersion, hydrogen bond
13. Which are polar covalent and non-polar covalent:
a. CCl4
b. H2
c. H2O
d. NH3
14. What is a dipole?
15. Why do molecules form bonds?
16. What is the octet rule? If a molecule does not satisfy the octet rule for each atom in the
molecule, what can you predict about its stability?
17. Name the differences between properties of ionic and covalent compounds.
18. What are metallic bonds?
19. Differences in electronegativity can be used to determine whether or not a compound is
ionic or covalent in nature. Know how to interpret the results of different electronegativities
(MAGIC NUMBER = 1.67) and determine whether a compound is ionic or covalent.
ONLINE PRACTICE
www.quia.com/quiz/258607.html
http://www.iq.poquoson.org/hsscience/chemistry/chemicalbonding/hschemicalbondingquiz1_06
tlm.htm
http://www.sciencegeek.net/Chemistry/taters/directory.shtml
UNIT#3