Antoine Lavoisier Jöns Jakob Berzelius Johan Gottlieb Gahn John Dalton
K Yb Zr Y
Y Yb V W
K W Z V
Ar U W Sb
Zr Zn W K
Xe Zn Au Sn
Nikolai Yakovlevich Demyanov Alexander Borodin Boris Petrovich Nikolsky Dmitri Mendelev
Tl Tm Te T
Sn Au Zn Zr