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