what is noble gas????????
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Noble gas is any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.
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Noble gas is any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.
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3
noble gases like helium , neon , argon , krypton , xenon etc which are placed in 18th group if modern periodic table
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hope it helps u ......
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