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| Atomic Number | 38 |
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| Atomic Symbol | Sr |
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| Atomic Weight | 87.62 amu |
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| Group | Alkaline Earth, 2 |
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| Form | Solid |
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| Density @ STP | 2.64 g/cm3 |
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| Melting Point | 777 °C (1430.6 °F, 1050.15 °K) |
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| Boiling Point | 1382 °C (2519.6 °F, 1655.15 °K) |
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| Heat of Fusion | 7.43 kJ/mol |
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| Heat of Vaporization | 137 kJ/mol |
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| First Ionization Potential | 5.69484 eV |
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| Electronegativity (on Pauling scale | 0.95 |
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| Specific Heat Capacity | 0.301 J/g K |
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| Ground State Electron Configuration | 5s2 |
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| Oxidation State(s) | +2 |
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| Stable Isotopes and Natural Abundance on Earth | 84Sr, 0.56%; 86Sr, 9.86%; 87Sr, 7.00%; 88Sr, 82.58% |
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| Selected Radioisotopes | 82Sr, 85Sr, 89Sr, 90Sr |
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| Atomic Radius | 219 pm |
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| Crystal Structure | Cubic |
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| Discovered by | Crawford, 1790 |
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