a friend notices that a nail that was left outside for a few months seems larger and heavier than it was before. he says it disproves the law of conservation of mass. explain why he is wrong

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.

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the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons