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