| Radium, Ra | |
|---|---|
| Categories: | MetalNonferrous MetalPure Element |
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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 5.00 g/cc | 0.181 lb/in³ | Estimate | ||
| Chemical Properties | Metric | English | Comments | ||
| Atomic Mass | 226 | 226 | Longest-Lived Isotope (1995) | ||
| Atomic Number | 88 | 88 | |||
| X-ray Absorption Edge | 0.11931 Å | 0.11931 Å | K | ||
| 0.64461 Å | 0.64461 Å | LI | |||
| 0.67114 Å | 0.67114 Å | LII | |||
| 0.80284 Å | 0.80284 Å | LIII | |||
| Electronegativity | 0.90 | 0.90 | Pauling | ||
| Ionic Radius | 1.43 Å | 1.43 Å | Crystal Ionic Radius for Valence +2 | ||
| Thermal Properties | Metric | English | Comments | ||
| Specific Heat Capacity | 0.120 J/g-°C | 0.0287 BTU/lb-°F | |||
| Thermal Conductivity | 17.9 W/m-K | 124 BTU-in/hr-ft²-°F | |||
| Melting Point | 700 °C | 1290 °F | |||
| Component Elements Properties | Metric | English | Comments | ||
| Radium, Ra | 100 % | 100 % | |||
| Descriptive Properties | |||||
| CAS Number | 7440-14-4 | ||||
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