Difference between revisions of "Cerium"
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{{Element | | {{Element | | ||
name=Cerium | | name=Cerium | | ||
| Line 11: | Line 12: | ||
series=Lanthanide | | series=Lanthanide | | ||
density=6.770 g/cm3 | | density=6.770 g/cm3 | | ||
| − | melts=1068K,<BR/> | + | melts=1068K,<BR/>795°C,<BR/>1463°F | |
| − | boils=3716K,<BR/> | + | boils=3716K,<BR/>3443°C,<BR/>6229°F | |
isotopes=136<BR/>138<BR/>140 | | isotopes=136<BR/>138<BR/>140 | | ||
prior=[[Lanthanum|<FONT color="#7F7FFF">La</FONT>]] | | prior=[[Lanthanum|<FONT color="#7F7FFF">La</FONT>]] | | ||
Revision as of 01:25, 19 November 2007
getsitolo
| Cerium | |
|---|---|
| Ce | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 58 |
| Atomic mass: | 140.116 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 6.770 g/cm3 |
| melting point: | 1068K, 795°C, 1463°F |
| boiling point: | 3716K, 3443°C, 6229°F |
| Sr ← Y → Zr | |
| La ← Ce → Pr | |
| Ac ← Th → Pa | |
| Atomic radius (pm): | 185 |
| Bohr radius (pm): | |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3) 114 |
| 1st ion potential (eV): | 5.54 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f1 5s2 5p6 5d1 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 19, 9, 2 | |
| Electronegativity: | 1.12 |
| Electron Affinity: | - |
| Oxidation states: | 3, 4 |
| Magnetism: | ? |
| Crystal structure: | Face centered cubic |
Cerium is a Lanthanide metal.
It has a Face centered cubic crystalline structure.
This element has 3 stable isotopes: 136, 138, and 140.
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