Metalloid

Science / Chemistry / Metalloid: An element with both metallic and nonmetallic properties. Examples are silicon, arsenic, and germanium.
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Silicon (Si)

Science / Periodic Table of Elements / Silicon (Si): Atomic number: 14, Atomic mass: 28.0855 g.mol -1, Electronegativity: 1.8, Density: 2.33 g.cm -3 at 20 ?°C, Melting point: 1410 ?°C, Boiling point: 3265 ?°C, Vanderwaals radius: 0.132 nm, Ionic radi MORE

Germanium (Ge)

Science / Periodic Table of Elements / Germanium (Ge): Atomic number: 32, Atomic mass: 72.59 g.mol -1, Electronegativity: 1.8, Density: 5.3 g.cm-3 at 20?°C, Melting point: 937 ?°C, Boiling point: 2830 ?°C, Vanderwaals radius: 0.137 nm, Ionic radius: 0. MORE