Argon on järjestysluvultaan 18. alkuaine ja kuuluu jalokaasuihi... - dofaq.co
Argon on järjestysluvultaan 18. alkuaine ja kuuluu jalokaasuihi...Argon on järjestysluvultaan 18. alkuaine ja kuuluu jalokaasuihin. Sen kemiallinen merkki on Ar (lat. argon; kreik. αργόν, ’laiska’). Sitä on noin 0,94 prosenttia ilmakehästämme, ja se onkin maapallon yleisin jalokaasu. Argon on väritön, hajuton ja mauton inertti kaasu. Kuten muitakin jalokaasuja, argonia pidettiin pitkään reagoimattomana. Ensimmäinen tunnettu argon-yhdiste argonfluorihydridi (HArF) onnistuttiin tekemään Helsingin yliopiston kemian laitoksella elokuussa 2000.[5]
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