What are Noble gasses?

The noble gases make up a class of chemical elements with similar properties; under standard conditions, they are all y.

Noble gases area class of chemical elements with similar properties and under standard conditions are odourless, colourless, monatomic gases with very low chemical reactivity. In order of their density the Noble gasses are Helium, Neon, Argon, Krypton, Xenon and Radon. Noble gasses are also known as Inert gasses and are used within inert gas fire protection solutions.