Boron
(Redirected from B)
| Boron | |
|---|---|
| B | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 5 |
| Atomic mass: | 10.811 |
| group: | 13 |
| period: | 2 |
| normal phase: | Solid |
| series: | Metalloids |
| density: | 2.34 g/cm3 |
| melting point: | 2349K, 2076°C, 3769°F |
| boiling point: | 4200K, 3927°C, 7101°F) |
| N/A ← N/A → N/A | |
| Be ← B → C | |
| N/A ← Al → Si | |
| Atomic radius (pm): | 85 |
| Bohr radius (pm): | 87 |
| Covalent radius (pm): | 82 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | - |
| 1st ion potential (eV): | 8.30 |
| Electron Configuration | |
| 1s2 2s2 2p1 | |
| Electrons Per Shell | |
| 2, 3 | |
| Electronegativity: | 2.04 |
| Electron Affinity: | 0.28 |
| Oxidation states: | 3 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Rhombohedral |
Boron is a Metalloid in group 13.
It has a Rhombohedral crystalline structure.
This element has two stable isotopes: 10 and 11.
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