Which of the following does NOT agree with the Law of Conservation of Mass? A. Mass can be destroyed.
B. Matter cannot be created.
C. Mass prior to chemical change is the same as mass after chemical change.

mass prior to chemival change is. thesame as mass after chemical change

the correct name for the n3 ion is azide. azide is a polyatomic anion with a -1 charge and is written as n3 -1. it consists of three nitrogen atoms bonded together. hope i . let me know if you need anything else.

it's all four options.