CHM
1020/1032C Module Four Sample Exam Name: _Answers__
A. _____(10) Bond Recognition/Compound
Classification-Sections 7.1, 12.1-12.3
B. _____(30) Dot Structures of
Molecules-Section 12.4, 12.5
C. _____(10) Binary Molecular(Covalent)
Compounds-Section 7.7
D
_____(10) Binary Ionic
Compounds-Section 7.2, 7.5
E. _____(10) Polyatomic Ions-Section
– section 7.3, 7.6
F. _____(10) Ternary Ionic Compounds-Section 7.3, 7.6
G. _____(10) Binary Acids/ Ternary Oxyacids-Section 7.8,7.9
H. _____(15) Inorganic Compounds
7.2-7.9
_______(105)
Total = ______%
M._____
(25) Multiple Choice
Chapter 12, 7
Module
Four: Part B Dot Structures of Molecules 30 points
Using
a periodic chart draw the electron dot structures of the following molecules:
(Choose
One for each question or the one circled on the paper)
You
may practice your drawing by dragging and dropping the atoms on the Internet
at: http://www.lsua.us/chem1001/dragdrop/menu.html
1. NH3 CH4 H2O2 H2O 2. H2SO4 H3PO4 HClO4 HClO3
Ammonia Sulfuric Acid
hydrogen peroxide Perchloric Acid
water
3. HNO3 H2CO3 HNO2 4. CO2 HCN
CO SO3 SO2
Carbonic Acid Hydrogen Cyanide
Nitrous Acid Carbon
Monoxide
Sulfur
Trioxide
5. HC2H3O2 H2C2O4 HCHO2 6. C2H4 C2H2 C3H8 C2H6
carbon to carbon by single
covalent bond
7. CH2O CH3COCH3 CH3CH2OH 8. CH3OCH3 CHONH2
CH3CH2CH2OH
carbon
to carbons by single covalent bonds
oxygen separates the carbons
Acetone Methanamide
Ethanol 1-Propanol
9. CH2NH2COOH CH3CHNH2COOH 10. CH3COOCH2CH3 CHOOCH3
(work on back) carbon to carbons by single covalent bonds (CH2 also hooks
to oxygen in#2)
Glycine Ethyl ethanoate
Alanine Methyl methanoate