http://www.rsc.org/periodic-table/element/50/tin Sn chemical symbol Sn Visual Elements Periodic Table http://www.rsc.org/periodic-table/element/50/tin Royal Society of Chemistry - Tin Royal Society of Chemistry: Tin http://www.rsc.org/periodic-table/element/50/tin powerful magnets Tin chemical symbol Sn http://www.rsc.org/periodic-table/element/50/tin tin tin