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