level 1
1.Hydrogen 氢 2. Helium 氦 3. Lithium 锂 4.Beryllium铍 5.Boron 硼 6.Carbon 碳 7.Nitrogen 氮 8. Oxygen 氧 9 Fluorine 氟 10. Neon 氖 11.Sodium 钠 12.Magnesium 镁 13.Aluminium 铝 14.Silicon 硅 15Phosphorus 磷 16Sulphur 硫 17chlorine 氯 18Argon 氩 19Potassium 钾 20Calcium 钙 21Scandium 钪 22Titanium 钛 23Vanadium 钒 24Chromium 铬 25Manganes 锰 26iron 铁 27Cobalt 钴 28Nickel 镍 29Copper 铜 30Zinc 锌 31Gallium 镓 32Germanium 锗 33Arsenic 砷 34Selenium硒 35Bromine溴 36Krypton 氪 37Rubidium 铷 38Strontium 锶 39Yttruim 钇 40Zirconium 锆 41Niobium 铌 42Molybdium 钼 43Technetium 锝 44Ruthenium 钌 45Rhodium 铑 46Palladium 钯 47silver 银 48Cadium 镉 49Indium 铟 50tin 锡 51Stibium 锑 52Tellurium 碲 53Iodine 碘 54Xenon 氙 55Cesium 铯 56Barium钡 57Lanthanum 镧 58Cerium 铈 59Protactinium镨 60Neodymium 钕 61Promethium 钷 62Samarium钐 63Europium铕 64Gadolinium钆 65Terbium铽 66Dysprosium镝 67Holmium钬 68Erbium铒 69Thulium铥 70Ytterbium镱 71Lutecium镥 72Hafnium铪 73Tantalum 钽 74Wolfram 钨 75Rhenium 铼 76Osmium 锇 77Iridium铱 78Platinium 铂 79Gold 金 80Mercury汞 81Thallium 铊 82Lead 铅 83Bismuth 铋 84Polonium 钋 85Astatine砹 86Radon 氡 87Francium钫 88Radium 镭 89Actinium 锕 90Thorium钍 91praseodymiu镤 92Uranium铀 93Neptunium镎 94Plutonium钚 95Americium镅 96Curium锔 97Berkelium锫 98Califorium锎 99Einsteinium锿 100fermium镄 101Mendelev钔 102Nobelium锘 103Lawrenciu铹
2008年02月21日 12点02分