New Scratcher Joined 4 years, 6 months ago Hong Kong
又是我 @1080GBA !可能有人會説:「哎! @1080GBA 無處不在呀!」是啊!這個是 @1080GBA 第45個賬號!我 @Y-Yttrium 是The Periodic Table team 中其中一人Last element : @Sr-Strontium Next element : @Zr-Zirconium
Atomic number: 39Name: YttriumSymbol: YMass: 88.906