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| Ytterbium | Ytterbium | Iterbij | Itterbio | Ytterbium | ||||||||||||||||||||
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Yb Ytterbium |
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- Ytterbium was discovered by Jean de Marignac (France) in 1878. Named after Ytterby, a village in Sweden. It is silvery, lustrous, malleable and ductile metal. Oxidizes slowly in air. Reacts with water. Flammable dust.
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TRANSITION ELEMENT: LANTHANIDE | |
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| Relative atomic mass: | 173.04(3) | Electronic configuration: | [Xe] 4f14 6s2 |
| Formal oxidation number: | +2 +3 | Electronegativities: | - |
| Thermal conductivity: | 34.9 W m-1 K-1 | Electrical resistivity (20 °C): | 29 μΩcm |
| Atomic radius: | 194 pm | Standard state (20 °C): | solid |
| Density (g dm-3): | 6965 (293 K) | Molar volume (cm3 mol-1): | 24.84 (293 K) |
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THERMAL PROPERTIES | |
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| Melting point: | 819 °C | Heat of fusion: | 9.2 kJ mol-1 |
| Boiling point: | 1196 °C | Heat of vaporization: | 159 kJ mol-1 |
| Critical temperature: | 4147 °C | Heat of atomization: | 152.8 kJ mol-1 |
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IONIZATION ENERGIES AND ABUNDANCE | |
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| 1st ionization energy: | 603.44 kJ mol-1 | Abundance of element (air): | - ppm |
| 2nd ionization energy: | 1174.82 kJ mol-1 | Abundance of element (Earth's crust): | 2.2 ppm |
| 3rd ionization energy: | 2416.97 kJ mol-1 | Abundance of element (oceans): | 0.0000002 ppm |
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ISOTOPES | |
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Isotopes | Relative atomic mass | Abundance (%) |
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168Yb | 167.933894(5) | 0.13(1) |
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170Yb | 169.934759(3) | 3.05(6) |
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171Yb | 170.936322(3) | 14.3(2) |
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172Yb | 171.936378(3) | 21.9(3) |
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173Yb | 172.938207(3) | 16.12(21) |
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174Yb | 173.938858(3) | 31.8(4) |
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176Yb | 175.942568(3) | 12.7(2) |
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MINERALS AND USES | |
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- Ytterbium is found in minerals such as yttria, monazite, gadolinite and xenotime. Used in metallurgical and chemical experiments. The price of 99.9 % pure ytterbium ingot is 188.50 € for 25 g.
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REDUCTION POTENTIALS | |
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Balanced half-reaction | Eo / V | Annotation |
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