Corrosion

Science / Chemistry / Corrosion: Corrosion is a reaction that involves action of an oxidizing agent on a metal. The oxidizing agent is often oxygen dissolved in water. See How Iron Rusts for examples.
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Corrosion Inhibitor

Lifestyle / Painting / Corrosion Inhibitor: Any material applied in order to prevent the rusting of metals. MORE

Calcium (Ca)

Science / Periodic Table of Elements / Calcium (Ca): Atomic number: 20, Atomic mass: 40.08 g.mol -1, Electronegativity: 1.0, Mass volume: 1.6 g.cm-3 at 20?°C, Melting point: 840 ?°C, Boiling point: 1484 ?°C, Vanderwaals radius: 0.197 nm, Ionic radius MORE

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

Iridium (Ir)

Science / Periodic Table of Elements / Iridium (Ir): Atomic number: 77, Atomic mass: 192.2 g.mol -1, Electronegativity: 2.2, Density: 22.4 g.cm-3 at 20?°C, Melting point: 2450 ?°C, Boiling point: 4527 ?°C, Vanderwaals radius: 0.126 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

Platinum (Pt)

Science / Periodic Table of Elements / Platinum (Pt): Atomic number: 78, Atomic mass: 195.09 g.mol -1, Electronegativity: 2.2, Density: 21.4 g.cm-3 at 20?°C, Melting point: 1772 ?°C, Boiling point: 3800 ?°C, Vanderwaals radius: 0.138 nm, Ionic radius: MORE