Science / Periodic Table of Elements / Silicon (Si): Atomic number: 14, Atomic mass: 28.0855 g.mol -1, Electronegativity: 1.8, Density: 2.33 g.cm -3 at 20 ?°C, Melting point: 1410 ?°C, Boiling point: 3265 ?°C, Vanderwaals radius: 0.132 nm, Ionic radi MORE
Science / Periodic Table of Elements / Cesium (Cs): Atomic number: 55, Atomic mass: 132.9054 g.mol -1, Electronegativity: 0.7, Density: 1.9 g.cm-3 at 20?°C, Melting point: 28.4 ?°C, Boiling point: 669 ?°C, Vanderwaals radius: 0.267 nm, Ionic radius: MORE
Science / Periodic Table of Elements / Oxygen (O): Atomic number: 8, Atomic mass: 15.999 g.mol -1, Electronegativity: 3.5, Density: 1.429 kg/m3 at 20?°C, Melting point: -219 ?°C, Boiling point: -183 ?°C, Vanderwaals radius: 0.074 nm, Ionic radius: MORE
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 / 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 rad MORE