Difference between revisions of "Tellurium"
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{{Element | | {{Element | | ||
name=Tellurium | | name=Tellurium | | ||
| Line 11: | Line 12: | ||
series=Metalloids | | series=Metalloids | | ||
density=6.24 g/cm3 | | density=6.24 g/cm3 | | ||
| − | melts=722.66K,<BR/>449. | + | melts=722.66K,<BR/>449.51°C,<BR/>841.12°F | |
| − | boils=1261K,<BR/> | + | boils=1261K,<BR/>988°C,<BR/>1810°F | |
isotopes=120<BR/>122<BR/>124<BR/>125<BR/>126<BR/>128<BR/>130 | | isotopes=120<BR/>122<BR/>124<BR/>125<BR/>126<BR/>128<BR/>130 | | ||
prior=[[Antimony|<FONT color="#7F7FFF">Sb</FONT>]] | | prior=[[Antimony|<FONT color="#7F7FFF">Sb</FONT>]] | | ||
Revision as of 23:16, 26 September 2007
rocnatrcc4ts
| Tellurium | |
|---|---|
| Te | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 52 |
| Atomic mass: | 127.6 |
| group: | 16 |
| period: | 5 |
| normal phase: | Solid |
| series: | Metalloids |
| density: | 6.24 g/cm3 |
| melting point: | 722.66K, 449.51°C, 841.12°F |
| boiling point: | 1261K, 988°C, 1810°F |
| As ← Se → Br | |
| Sb ← Te → I | |
| Bi ← Po → At | |
| Atomic radius (pm): | 140 |
| Bohr radius (pm): | 123 |
| Covalent radius (pm): | 135 |
| Van der Waals radius (pm): | 206 |
| ionic radius (pm): | (-2) 221 |
| 1st ion potential (eV): | 9.01 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4 | |
| Electrons Per Shell | |
| 2, 8, 18, 18, 6 | |
| Electronegativity: | 2.1 |
| Electron Affinity: | 1.97 |
| Oxidation states: | +/-2, 4, 6 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Hexagonal |
Tellurium is a Metalloid in group 16.
It has a Hexagonal crystalline structure.
This element has 7 stable isotopes: 120, 122, 124, 125, 126, 128, and 130.
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