Electrode

Science / Chemistry / Electrode: An electrically conducting surface that allows electrons to be transferred between reactants in an electrochemical cell.

Standard Hydrogen Electrode

Science / Chemistry / Standard Hydrogen Electrode: A platinum electrode that runs the half reaction 2 H+(aq, 1M) + 2 e- rightarrow H2(g, 1 atm), chosen as a reference for cell voltages. The electrode potential of the standard hydrogen electrode is def MORE

Rhodium (Rh)

Science / Periodic Table of Elements / Rhodium (Rh): Atomic number: 45, Atomic mass: 102.91 g.mol -1, Electronegativity: 2.2, Density: 12.4 g.cm-3 at 20°C, Melting point: 1970 °C, Boiling point: 3727 °C, Isotopes: 9, Electronic shell: [ Kr ] 4d8 5s1, MORE

Mercury (Hg)

Science / Periodic Table of Elements / Mercury (Hg): Atomic number: 80, Atomic mass: 200.59 g.mol -1, Electronegativity: 1.9, Density: 13.6 g.cm-3 at 20°C, Melting point: - 38.9 °C, Boiling point: 356.6 °C, Vanderwaals radius: 0.157 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: 0.0 MORE

Tungsten (W)

Science / Periodic Table of Elements / Tungsten (W): Atomic number: 74, Atomic mass: 183.85 g.mol -1, Electronegativity accoridin to Pauling: 1.7, Density: 19.3 g.cm-3 at 20°C, Melting point: 3410 °C, Boiling point: 5660 °C, Vanderwaals radius: 0.137 MORE

Barium (Ba)

Science / Periodic Table of Elements / Barium (Ba): Atomic number: 56, Atomic mass: 137.33 g.mol -1, Electronegativity: 0.9, Density: 3.5 g.cm-3 at 20°C, Melting point: 725 °C, Boiling point: 1640 °C, Vanderwaals radius: 0.222 nm, Ionic radius: 0.13 MORE

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