Difference between revisions of "Arsenic"
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[[Category:Solids]] | [[Category:Solids]] | ||
[[Category:Metalloids ]] | [[Category:Metalloids ]] | ||
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Latest revision as of 13:35, 19 November 2011
| Arsenic | |
|---|---|
| As | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 33 |
| Atomic mass: | 74.9216 |
| group: | 15 |
| period: | 4 |
| normal phase: | Solid |
| series: | Metalloids |
| density: | 5.727 g/cm3 |
| melting point: | 1090K, 817°C, 1503°F |
| boiling point: | 887K, 614°C, 1137°F |
| Si ← P → S | |
| Ge ← As → Se | |
| Sn ← Sb → Te | |
| Atomic radius (pm): | 115 |
| Bohr radius (pm): | 114 |
| Covalent radius (pm): | 119 |
| Van der Waals radius (pm): | 185 |
| ionic radius (pm): | (+3) 58 |
| 1st ion potential (eV): | 9.81 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3 | |
| Electrons Per Shell | |
| 2, 8, 18, 5 | |
| Electronegativity: | 2.18 |
| Electron Affinity: | 0.81 |
| Oxidation states: | +/-3, 5 |
| Magnetism: | ? |
| Crystal structure: | 0 |
Arsenic is a Metalloid in group 15.
It has a 0 crystalline structure.
This element has a stable isotope of 75
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See Also
