There are 2 covalent bonds between the Nitrogen and Oxygen, and 1 between the Nitrogen and Chlorine.
It should be 3.
I think the answer is three but i can't be sure.
Answer:
salt water freezes just like fresh water, but at lower temperatures. Fresh water freezes at 32 degrees Fahrenheit but seawater freezes at about 28.4 degrees Fahrenheit , because of the salt in it. When salt water freezes, however, the ice contains very little salt because only the water part freezes.
