Ceramics

Health / Dentistry / Ceramics: Compounds of a metal and oxygen formed of chemically and bio-chemically stable substances that are strong, hard, brittle and inert nonconductors of thermal and electrical energy. Characterized by ionic bonding.
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Hafnium (Hf)

Science / Periodic Table of Elements / Hafnium (Hf): Atomic number: 72, Atomic mass: 178.49 g.mol -1, Electronegativity: 1.3, Density: 13.07 g.cm-3 at 20?°C, Melting point: 2200 ?°C, Boiling point: 5200 ?°C, Vanderwaals radius: 0.161 nm, Ionic radius MORE

Titanium (Ti)

Science / Periodic Table of Elements / Titanium (Ti): Atomic number: 22, Atomic mass: 47.90 g.mol -1, Electronegativity: 1.5, Density: 4.51 g.cm-3 at 20?°C, Melting point: 1660 ?°C, Boiling point: 3287 ?°C, Vanderwaals radius: 0.147 nm, Ionic radius: MORE

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

Vanadium (V)

Science / Periodic Table of Elements / Vanadium (V): Atomic number: 23, Atomic mass: 50.9414 g.mol -1, Electronegativity: 1.6, Density: 6.1 g.cm-3 at 20?°C, Melting point: 1910 ?°C, Boiling point: 3407 ?°C, Vanderwaals radius: 0.134 nm, Ionic radius: MORE

Tin (Sn)

Science / Periodic Table of Elements / Tin (Sn): Atomic number: 50, Atomic mass: 118.69 g.mol -1, Electronegativity: 1.8, Density: 5.77g.cm-3 (alpha) and 7.3 g.cm-3 at 20?°C (beta), Melting point: 232 ?°C, Boiling point: 2270 ?°C, Vanderwaals rad MORE

Rubidium (Rb)

Science / Periodic Table of Elements / Rubidium (Rb): Atomic number: 37, Atomic mass: 85.4678 g.mol -1, Electronegativity: 0.8, Density: 1.53 g.cm-3 at 20?°C, Melting point: 39 ?°C, Boiling point: 696 ?°C, Vanderwaals radius: 0.243 nm, Ionic radius: 0 MORE