title: "Naatrium"
text: "{{Infobox Chemisches Element \u00f6\u00f6mrang\n\n| Name         = Naatrium\n| Symbol       = Na\n| Ordnungszahl = 11\n| Serie        = Am\n| Gruppe       = 1\n| Periode      = 3\n| Block        = s\n\n| Hauptquelle  =\n| CAS          = 7440-23-5\n| Aussehen     = salwern witj\n| Massenanteil = 2,64 %\n\n| Atommasse = 22,98976928(2)\n| Atomradius = 180\n| AtomradiusBerechnet = 190\n| KovalenterRadius = 154\n| VanDerWaalsRadius = 227\n| Elektronenkonfiguration = [Ne] 3s1\n| Austrittsarbeit = 2,75 eV\n| Ionisierungsenergie_1 = 495,8\n\n| Aggregatzustand = fest\n| Magnetismus = paramagneetisk (\u03a7m = 8,5 \u00b7 10\u22126)\n| Modifikationen = \n| Kristallstruktur = kuubisk\n| Dichte = 0,968\u00a0g/cm3 (20 \u00b0C)<ref name=\"Greenwood\">N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. Auflage. VCH, Weinheim 1988, \n\nNaatrium as en cheemisk element m\u00e4 det tiaken\u00a0Na an det atoomnumer\u00a011. Hat as en alkaalimetal. Det wichtagst ferbinjang as saalt (Naatriumkloriid).\n\nBilen\n\nWichtag ferbinjangen \n NaCl Naatriumkloriid (Saalt)\n Na2CO3 Naatriumkarbonaat (Sooda, E500)\n Na2SO4 Naatriumsulfaat (Glaubersaalt)\n NaHCO3 Naatriumh\u00fcdrogeenkarbonaat (Naatron, E500ii)\n NaOH Naatriumh\u00fcdroksiid (Siapenstian, E524)\n\nLuke uk diar\n\nFutnuuten"