Nitrogen is a common nonmetallic element that is normally a colorless, odorless, tasteless inert diatomic gas. Sulfur is an abundant tasteless odorless multivalent nonmetallic element.
No, Sulfur is an element (a substance comprised of only one type of atom) in itself, as is Nitrogen.
No. 'Acetic' refers to acetic acid; a compound involving nitrogen is usually called nitro- and sulfur is called thio-.
N + o2 => no2 s + o2 => so2
They are air polluting gases and main causes of acid rain