Science / Tides and Currents / Peru Current: A South Pacific Ocean current setting northward along the west coast of South America. It has sometimes been called the Humboldt Current because an early record of its temperature was taken by the Ger MORE
Science / Periodic Table of Elements / Cadmium (Cd): Atomic number: 48, Atomic mass: 112.4 g.mol -1, Electronegativity: 1.7, Density: 8.7 g.cm-3 at 20?°C, Melting point: 321 ?°C, Boiling point: 767 ?°C, Vanderwaals radius: 0.154 nm, Ionic radius: 0.0 MORE
Science / Periodic Table of Elements / Bismuth (Bi): Atomic number: 83, Atomic mass: 208.9804 g.mol -1, Electronegativity: 1.9, Density: 9.80 g.cm-3 at 20?°C, Melting point: 271 ?°C, Boiling point: 1420 ?°C, Vanderwaals radius: 0.152 nm, Ionic radius MORE
Science / Periodic Table of Elements / Tellurium (Te): Atomic number: 52, Atomic mass: 127.6 g.mol -1, Electronegativity: 2.1, Density: 6.24 g.cm-3, Melting point: 450 ?°C, Boiling point: 1390 ?°C, Vanderwaals radius: 0.137 nm, Ionic radius: 0.221 nm (- MORE
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. MORE