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These gases are called noble because they are very unreactive. Also:

- helium: from the Greek word helios with the meaning sun

- neon: idem with the mening of new

- argon: idem, with the meaning of inactive

- krypton: idem with the meaning of hidden

- xenon: idem, with the meaning of strange

- radon: the name is derived from radium emanation

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11y ago

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