Silicon

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Silicon
Si
In situ availability:
Necessity:
Atomic number: 14
Atomic mass: 28.0855
group: 14
period: 3
normal phase: Solid
series: Metalloids
density: 2.33 g/cm3
melting point: 1687K,
1414°C,
2577°F
boiling point: 3538K,
3265°C,
5909°F
B ← C → N
Al ← Si → P
Ga ← Ge → As
Atomic radius (pm): 110
Bohr radius (pm): 111
Covalent radius (pm): 111
Van der Waals radius (pm): 210
ionic radius (pm): (+4) 40
1st ion potential (eV): 8.15
Electron Configuration
1s2
2s2 2p6
3s2 3p2
Electrons Per Shell
2, 8, 4
Electronegativity: 1.9
Electron Affinity: 1.39
Oxidation states: 4, 2
Magnetism: Nonmagnetic
Crystal structure: Face centered cubic

Silicon is a Metalloid in group 14. It has a Face centered cubic crystalline structure. This element has 3 stable isotopes: 28, 29, and 30.




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