Health / Herbs / Reishi Mushroom (Ganoderma sinensis): An immunostimulant MORE
Science / Periodic Table of Elements / Rhenium (Re): Atomic number: 75, Atomic mass: 186.23 g.mol -1, Electronegativity: 1.9, Density: 20.5 g.cm-3 at 20?°C, Melting point: 3170 ?°C, Boiling point: 5627 ?°C, Vanderwaals radius: 0.138 nm, Ionic radius: MORE
Science / Periodic Table of Elements / Ruthenium (Ru): Atomic number: 44, Atomic mass: 101.1 g.mol -1, Electronegativity: 2.2, Density: 12.2 g.cm-3 at 20?°C, Melting point: 2250 ?°C, Boiling point: 4150 ?°C, Vanderwaals radius: 0.135 nm, Isotopes: 11, MORE