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Ta
Tantalum
#73 · Transition Metal
| Mass | 180.95 u |
| Density | 16.654 g/cm³ |
| Melting | 3290.0 K |
| Boiling | 5731.0 K |
| Electronegativity | 1.5 |
| Ionization Energy | 761.0 kJ/mol |
| Atomic Radius | 146.0 pm |
| Block | d-block |
| State (RT) | Solid |
| Config | [Xe] 4f14 5d3 6s2 |