Hydroxide

Science / Chemistry / Hydroxide: 1. The OH- ion. 2. Compounds containing the OH- ion. See also: hydroxide compounds.

Sodium Hydroxide

Entertainment / Photography / Sodium Hydroxide: Highly active alkaline accelerator used in conjunction with hydroquinone to produce high contrast developers. MORE

Potassium Hydroxide

Entertainment / Photography / Potassium Hydroxide: Caustic potash. Highly active alkali, used as the basis for high contrast developing solutions. 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: 0 MORE

Lithium (Li)

Science / Periodic Table of Elements / Lithium (Li): Atomic number: 3, Atomic mass: 6.941 g.mol -1, Electronegativity: 1.0, Density: 0.53 g.cm -3 at 20 °C, Melting point: 180.5 °C, Boiling point: 1342 °C, Vanderwaals radius: 0.145 nm, Ionic radius: 0 MORE

Thallium (Tl)

Science / Periodic Table of Elements / Thallium (Tl): Atomic number: 81, Atomic mass: 204.383 g.mol -1, Electronegativity: 1.8, Density: 11.71 g.cm-3 at 20°C, Melting point: 304 °C, Boiling point: 1473 °C, Vanderwaals radius: 0.182 nm, Ionic radius: 0 MORE

Aluminum (Al)

Science / Periodic Table of Elements / Aluminum (Al): Atomic number: 13, Atomic mass: 26.98154 g.mol -1, Electronegativity: 1.5, Density: 2.7 g.cm -3 at 20 °C, Melting point: 660.4 °C, Boiling point: 2467 °C, Vanderwaals radius: 0.143 nm, Ionic radius MORE

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