1. Chemical Bonding
What you need to know

2. 1. Name the 3 types of chemical bonding.
2. What type of elements can be found in each type of bond?

3. 3. Describe what the electrons are doing in a metallic bond.
4. Describe what the electrons are doing in an ionic bond?
Describe what the electrons are doing in a covalent bond?

4. 6. For each of the following compounds, based on element type, what type of bond would you expect between the two atoms?
NaCl CH4
CO2 Al
Pb CuCl2

5. 7. What will the ionic charge be for each of the elements below when they gain or lose electrons?Na Mg Ga P S Br

6. 8. What are the two types of covalent bonds
8. What are the two types of covalent bonds? What is the difference between them?
9. For each of the following compounds (electronegativities are given) are the bonds polar or nonpolar?
H2O (O = 3.5, H = 2.1)
PH3 (P = 2.1, H = 2.1)
SiF4 (Si = 1.8, H = 2.1)

7. 10. Draw the Lewis Structures for the following compounds:
SiS2
CF4
OCl2
BCl3

8. 11. For each of the following determine the shape of each molecule:
SiH4
HBr
PF3
H2Se

9. 12. For each of the following determine if the molecule is polar or nonpolar.
BCl3
SiO2 HI

10. 13. For each of the following compounds, what type of intermolecular forces would effect the compounds: N2
OF2
NBr3
SiSe2