Tetrahedral | 5. | 6.
_
trigonal pyramidal | 7.
| 8

trigonal planar | 9.
| 10.

tetrahedral | 5.

| 6.

________________________

trigonal pyramidal | 7.

| 8

trigonal planar | 9.

| 10.

Chlorine is used to  disinfect water and to clean swimming pools.
  chlorine is a dangerous poison and its bad to your health it can cause throat swelling and water filling in the lungs. chlorine used in gas bombs and use frequently throughout wwi. its a very toxic gas and is very bad for the human body is  inhaled.