Yttrium
| Latin name | Yttrium |
| English name | Yttrium |
| chemical symbol | Y |
| atomic number | 39 |
| relative atomic mass | 88,90585 |
| period | 5 |
| group | III.B |
| classification | transition metals |
| discovery year | 1792 |
| discoverer | J. Gadolin |
| melting point [°C] | 1522 |
| boiling point [°C] | 3338 |
| density [g cm-3] | 4,47 |
| density at melting point [g cm-3] | 4,24 |
| electronegativity [Pauling] | 1,22 |
| oxidation states | III |
| electron configuration | [Kr]4d1 5s2 |
| atomic radius [pm] | 212 |
| covalent radius [pm] | 162 |
| specific heat [J g-1K-1] | 0,3 |
| heat of fusion [kJ mol-1] | 11,4 |
| thermal conductivity [W m-1 K-1] | 17 |
| el. conductivity [S m-1] | 1,8.106 |
| 1. ionizing potential [eV] | 6,217 |
| 2. ionizing potential [eV] | 12,24 |
| 3. ionizing potential [eV] | 20,52 |
| Mohs hardness | - |
| Vickers hardness [MPa] | - |
| Brinell hardness [MPa] | 589 |
| shear modulus [GPa] | 26 |
| Young's modulus [GPa] | 64 |
| point of superconductivity [K] | 1,3 |
| state at normal conditions | solid |
Resources
- BARTHELMY, David. Mineral Species containing Yttrium. In: Mineralogy database [online]. 2010 [cit. 2012-06-20]. Available from: http://webmineral.com/.../Chem-Y.shtml
- CORDIER, Daniel. Yttrium. In: U.S. GEOLOGICAL SURVEY. Mineral Commodity Summaries [online]. 2012 [cit. 2012-06-29]. Available from: http://minerals.usgs.gov/.../mcs-2012-yttri.pdf
- LIDE, D.R. Handbook of Chemistry and Physics. New York: CRC Press, 1999.
- REMY, Heinrich. Anorganická chemie - II. díl. 2. české vydání, dotisk. Praha: SNTL 1972, s. 65-75
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