Science / Chemistry / Electrolysis: The process of driving a redox reaction in the reverse direction by passage of an electric current through the reaction mixture.
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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
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 radi MORE
Science / Periodic Table of Elements / Lead (Pb): Atomic number: 82, Atomic mass: 207.2 g.mol -1, Electronegativity: 1.8, Density: 11.34 g.cm-3 at 20?°C, Melting point: 327 ?°C, Boiling point: 1755 ?°C, Vanderwaals radius: 0.154 nm, Ionic radius: MORE
Science / Periodic Table of Elements / Potassium (K): Atomic number: 19, Atomic mass: 39.0983 g.mol -1, Electronegativity: 0.8, Density: 0.86 g.cm -3 at 0 ?°C, Melting point: 63.2 ?°C, Boiling point: 760 ?°C, Vanderwaals radius: 0.235 nm, Ionic radius MORE
Science / Periodic Table of Elements / Chlorine (Cl): Atomic number: 17, Atomic mass: 35.453 g.mol -1, Electronegativity: 3.0, Density: 3.21*10 -3 g.cm -3 at 20 ?°C, Melting point: -101 ?°C, Boiling point: -34.6 ?°C, Vanderwaals radius: 0.127 nm, Ioni MORE
Science / Chemistry / Physical Change: A change which does not transform one substance into another. For example, freezing water is a physical change because both water and ice are H2O. However, electrolysis of water would not be a physica MORE