The Shape of Small Molecules
On the line at the left, write the term from the list that matches each description below.
trigonal planar VSEPR theory
sp orbital ball-and-stick model
symmetry bond angle
unshared pair hybrid orbital
fullerenes sp2 orbital
_________________ 1. a visual model of molecular geometry
_________________ 2. combination of one s orbital with one p orbital
_________________ 3. the geometric angle between two adjacent bonds
_________________ 4. a pair of valence electrons not involved in a bond
_________________ 5. the theory that states that the pairs of valence electrons are arranged as far apart as possible in small molecules
_________________ 6. name for a triangular flat molecule
_________________ 7. the type of hybrid orbital in a trinagular flat molecule
Complete the following table by filling in the molecular shape and bond angles for each of the molecules listed.
Molecule Molecular Shape Bond Angles
8. H2O
9. CHCl3
10. BF3
11. NH3
12. CO2
Draw a ball-and-stick model for each of the following molecules in the space provided. Label the bond angles in your drawings.
13. PCl3
14. H2S
15. CBr4
16. C2F2
14. C2H6
Draw a ball-and-stick model for each of the following and identify the ybrid orbitals in each molecule or ion.
18. BeCl2
19. BF3
20. NH4
21. OF2
22.PF3