Answers 7 to 12
| 7. hydrogen fluoride linear |
polar | (δ+)H-F(δ−) |  |
| 8. boron trifluoride trigonal planar |
non polar |
BF3 |  |
| 9. carbon dioxide linear |
non polar |
CO2 |  |
| 10. sulfur dioxide bent |
polar | (δ+)SO2(δ−) |  |
| 11. ammonia trigonal pyramidal |
polar | (δ+)H3N(δ−) |  |
| 12. methane tetrahedral |
non polar |
CH4 |  |
We will be meeting "Lewis structures" - the figures in the last column - in the next section
