Difference between revisions of "Gallium"
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name=Gallium | | name=Gallium | | ||
symbol=Ga | | symbol=Ga | | ||
available= | | available= | | ||
| − | need= | + | need= | |
number=31 | | number=31 | | ||
mass=69.723 | | mass=69.723 | | ||
Latest revision as of 01:10, 4 October 2011
| Gallium | |
|---|---|
| Ga | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 31 |
| Atomic mass: | 69.723 |
| group: | 13 |
| period: | 4 |
| normal phase: | Solid |
| series: | Poor Metals |
| density: | 5.91 g/cm3 |
| melting point: | 302.9146K, 29.7646°C, 85.5763°F |
| boiling point: | 2477K, 2204°C, 3999°F |
| N/A ← Al → Si | |
| Zn ← Ga → Ge | |
| Cd ← In → Sn | |
| Atomic radius (pm): | 130 |
| Bohr radius (pm): | 136 |
| Covalent radius (pm): | 126 |
| Van der Waals radius (pm): | 187 |
| ionic radius (pm): | (+3) 62 |
| 1st ion potential (eV): | 5.10 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1 | |
| Electrons Per Shell | |
| 2, 8, 18, 3 | |
| Electronegativity: | 1.81 |
| Electron Affinity: | 0.3 |
| Oxidation states: | 3 |
| Magnetism: | ? |
| Crystal structure: | Orthorhombic |
Gallium is a Poor Metal in group 13.
It has a Orthorhombic crystalline structure.
This element has two stable isotopes: 69 and 71.
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