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My Nucleus protons: 90 average atomic mass: 232.038 isotopes: 232Th (half life of 14.05 billion years) 230Th (half-life of 75,380 years) 229Th (half-life of 7340 years) 228Th (half-life of 1.92 years) and there's many more! | My Electrons valence electrons state: + 4 electron configuration: 2-8-18-32-18-10-2 or (Rn)6d27s2 electron shells: 7 | My Properties atomic number: 90 melting point: 1750.0 oC boiling point: 4790.0 oC color: grayish silver whitish density: 11724 /kg m-3 |
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sammichau |
Latest page update: made by sammichau
, Oct 19 2006, 1:57 PM EDT
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