Show Elements
ID 20
Symbol Si
Name Silicon
Density (g/cm<sup>3</sup>) 2.329
Atomic Number 14
Molecular Weight 28
Melting Point (K) 1687
Boiling Point (K) 3173
Specific Heat Capacity (J/kg K) 710
Electro Negativity 1.9
Curie temperature (K)
Bohr Magneton (J/T)
Magnetization Saturation (MA m<sup>-1</sup>)
Crystal Structure Tetrahedral Packing
Appearance Gray
Element category Metalloid
Magnetic ordering Diamagnetic
Discovery Jöns Jacob Berzelius (1824)
General Information Silicon is the seventh-most abundant element in the universe and the second-most abundant element on the planet, after oxygen, according to the Royal Society of Chemistry. About 25 percent of the Earth's crust is silicon.
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