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The noble gases have weak interatomic force, and consequently have very low melting and boiling points. They are all monatomic gases under standard conditions, including the elements with larger atomic masses than many normally solid elements.
The atomic structure of Noble gases is the reason that they are unreactive or have little tendency to react with other substances. Each atom is made up of a nucleus and a number of electrons that orbit the nucleus.he Noble gases are a group of elements that possess many similar characteristics and properties. Noble gases as odorless, colorless, tasteless and non-flammable.