Zirconium Zinc Xenon Yttrium
106 76 116 86
94 54 114 74
Tin Ytterbium Yttrium Uranium
Lead Potassium Gold Vanadium
Uranium Zirconium Zinc Xenon
Thulium Technetium Tellerium Terbium
Xenon Zinc Tungsten Uranium
Tin Ytterbium Yttrium Silver
Xenon Zinc Uranium Zirconium