CHEM
1001 Answers Name: ____________________
Module
Four: Part A: Bond Recognition 5 points
Using
a periodic chart, classify each element in the pair as a metal or nonmetal, then predict the bond type that should exist between the two
elements. (Assume
all metal-nonmetal combinations have an electronegativity
difference greater than 1.7)
1. Na-Cl ___Ionic_____ 4. Cu-Fe
___metallic______
2. Mg-O ___Ionic_____ 5. Si-S ____covalent______
3. S-O ___covalent______
See your Corwin textbook Section 12.1. Work Problems 6-10 p 336
for similar exercises
Module Four:
Part C Binary Molecular Compounds 10 points
Using
a periodic chart write the names or formulas of the following compounds
depending on whether the formula or name is given:
1. CO
__carbon
monoxide______
2. SO3 ___sulfur trioxide________
3. N2O5 ___dinitrogen pentoxide___
4. CCl4 ___Carbon tetrachloride___
5. CO2 ___Carbon Monoxide______
6. Phosphorus trichloride __PCl3___
7. Boron trifluoride __BF3___
8. Dihydrogen
monoxide __H2O____
9. Dihydrogen
Dioxide __H2O2____
10. Nitrogen trihydride __NH3____
In your Corwin textbook
see Section 7.7. Similar problems on p189 #43-46
Online
Homework:
C:
Binary Molecular (Covalent) Homework: http://www.fccj.us/Nomenclature/Molecules/binaryCovalent.html
C1.
Binary Molecular (Covalent) Formulas: http://www.fccj.us/Nomenclature/MoleculeFormula/BinaryMolecularFormula.html
Module
Three: Part D Binary Ionic
Compounds 10 points
Using
a periodic chart, write the names or the balanced formulas for the following
compounds depending on whether the formula or the name is given:
1. Copper II phosphide __Cu3P2_______
2. Iron III Oxide ___Fe2O3______
3. Lead IV sulfide __PbS2_______
4. Zinc II Nitride __Zn3N2___
5. Sodium Chloride __NaCl____
6. MgCl2 __Magnesium chloride____(no
Roman Numeral needed)
7. NiF2 ___Nickel II fluoride_or__Nickel (II) fluoride____
8. KBr ___Potassium Bromide_____
9. CaI2 ____Calcium Iodide_________
10. SnF2 _____Tin II Fluoride__or__ Tin (II) Fluoride_____
In your Corwin textbook
see sections 7.4 and 7.5.
Work problems 23-32 on pages 188-189 for
similar exercises.
Online
Homework:
D:
Binary Ionic Compound Homework: http://www.lsua.us/chem1001/nomenclature/BinarySalts/BinaryIonic.html
D1.
Binary Ionic Formulas:
http://www.fccj.us/nomenclature/BinaryIonicFormula/BinaryIonicFormula.html