Révisi nurutkeun 16 Séptémber 2014 12.11 édit Shrikarsan (obrolan \| kontribusi) 1.315 suntingan Removing Link FA template as it is now available in wikidata ← Éditan saméméhna		Révisi nurutkeun 13 Pébruari 2017 03.39 édit bolaykeun Ilhambot (obrolan \| kontribusi) Bot 20.027 suntingan m Ngarapihkeun éjahan, replaced: mangrupakeun → mangrupa, kusabab → ku sabab Éditan salajengna →
Baris ka-26: \| {{element cell\|118\|Ununoctium\|Uuo\| \|Gas\|Gas mulya\|Undiscovered\|Ununoctium\|#ecfefc}} \|} '''Gas mulya''' (''noble gases'') ~~mangrupakeun~~mangrupa [[unsur kimia]] dina [[golongan tabel periodik\|golongan 18]] dina [[tabel periodik]]. [[Dérét kimia]] ieu ngawengku [[hélium]], [[néon]], [[argon]], [[kripton]], [[sénon]], jeung [[radon]]. == Étimologi == Gas mulya saméméhna katelah '''[[gas inert]]''', tapi lajeng diganti ~~kusabab~~ku sabab aya sababaraha unsur nu sok ngilu aub dina [[réaksi kimia]]. Istilah séjénna nu kungsi dipaké nyaéta '''gas jarang''', tapi teu cocog sabab [[argon]] téh kadarna 0,93% v/v atawa 1,29% b/b dina [[atmosfir]] [[Bumi]]. Ngaran '''noble gases'' (gas mulya) téh niron tina ''noble metal'' ([[logam mulya]]) nu sarua teu réaktif, sarta boga sipat gedé ajénna, teu [[tai hiangan]], sarta sok dipatalikeun jeung kaménakan. Baris ka-39: Handapna réaktivitas gas mulya téh kusabab "lengkep kulit valénsi"na, sahingga teu condong ngaleupaskeun/narima [[éléktron]]. Gas mulya mibanda énérgi ionisasi nu luhur. <!-- Because of their unreactivity, the noble gases were not discovered until [[1868]], when helium was detected [[spectrograph\|spectrographically]] in the [[Sun]]. The isolation of helium on Earth had to wait until [[1895]]. The noble gases have very weak inter-atomic forces of attraction, and consequently very low [[melting point]]s and [[boiling point]]s. This is why they are all [[gas]]es under normal conditions, even those with larger [[atomic mass]]es than many normally solid elements. '''Ununoctium'''

Gas mulya: Béda antarrépisi