What is special about nitrogen ,and what is its main function in the atmosphere

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

What four properties do all waves have in common