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