| Lu | Z = 71 | ◊ ◊ ◊ ◊ ◊ |
Lutertium | |
| From the Latin "Lutetia", meaning "Paris" | ||||
| (AM) Atomic Mass | 174.967 amu | ♦ |  Oxidation States |
+3 |
| (BP) Boiling Point |
3315 °C | ♦ | (MP) Melting Point |
1656 °C |
| (ρ) Density |
9.84 g/cm3 | ♦ | Crystal Structure |
Hexagonal |
| ( χ ) Electronegativity |
1.2 | ♦ | (AR) Atomic Radius |
1.6 Å |
| Physical State |
Solid | ♦ | (C) Heat Capacity | 0.154 J/g °C |
| Electronic-Config | [Xe] 4f14 5d1 6s2 | ♦ | (I1) First Ionization E |
523.52 kJ/mol |
| (ΔHvap) Heat of Vaporization |
414 kJ/mol | ♦ | (ΔHfus) Heat of Fusion |
22 kJ/mol |
| Year of Discovery |
1907 | ♦ | Location of Discovery |
France |
| (E°) Standard Potential | Lu3+⇔ Lu (-2.280 V) | |||
| Stable isotopes | 175Lu | |||
| Discovered/Synthesized by | Georges Urbain | |||
| Natural Source | The mineral/ore bastnasite, monazite, loparite | |||
| Common Uses | Cancer-fighting photodynamic (light-activated) medicine | |||
| Other Info | Tarnishes slowly in air and burns at 150 °C to the oxide. | |||
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