A actinider actinium alkalimetaller alkaliske jordartsmetaller americium antimon argon arsen astat atomnummer
C cadmium californium carbon cassiopeium cerium chalcogener chrom cobalt columbium copernicium curium cæsium
T tantal technetium tellur tennessin terbium thallium thorium thulium tin (grundstof) titan transuran transuraner
