Periodic Table of Elements Glossary
Science / Periodic Table of Elements Glossary
Thorium (Th): Atomic number: 90, Atomic mass: 232.04 g.mol -1, Electronegativity: 1.3, Density: 11.72 g.cm-3 at 20°C, Melting point: 1750 °C, Boiling point: 4790 °C, Vanderwaals radius: 0.182 nm, Ionic ra . . . View Full Definition
Thulium (Tm): Atomic number: 69, Atomic mass: 168.93 g.mol -1, Electronegativity: 1.2, Density: 9.3 g.cm-3 at 20°C, Melting point: 1545 °C, Boiling point: 1947 °C, Vanderwaals radius: unknown, Ionic radiu . . . View Full Definition
Tin (Sn): Atomic number: 50, Atomic mass: 118.69 g.mol -1, Electronegativity: 1.8, Density: 5.77g.cm-3 (alpha) and 7.3 g.cm-3 at 20°C (beta), Melting point: 232 °C, Boiling point: 2270 °C, Vanderwaals . . . View Full Definition
Titanium (Ti): Atomic number: 22, Atomic mass: 47.90 g.mol -1, Electronegativity: 1.5, Density: 4.51 g.cm-3 at 20°C, Melting point: 1660 °C, Boiling point: 3287 °C, Vanderwaals radius: 0.147 nm, Ionic radi . . . View Full Definition
Transition Metal: An element with an incomplete d subshell. Elements which have common cations with incomplete d subshells are also considered transition metals. Elements with incomplete f subshells are somet . . . View Full Definition
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 . . . View Full Definition
Ununbium (Uub): Atomic number: 112, Atomic mass: 276.8 g.mol -1, Electronegativity: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ionic radius: unkn . . . View Full Definition
Ununhexium (Uuh): Atomic number: 116, Atomic mass: unknown, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ioni . . . View Full Definition
Ununium (Uuu): Atomic number: 111, Atomic mass: 271.8 g.mol -1, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknow . . . View Full Definition
Ununoctium (Uuo): Atomic number: 118, Atomic mass: unknown, Electronegativity: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ionic radius: unknown, Is . . . View Full Definition
Ununpentium (Uup): Atomic number: 115, Atomic mass: unknown, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ioni . . . View Full Definition
Ununquadium (Uuq): Atomic number: 114, Atomic mass: 289 g.mol -1, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, . . . View Full Definition
Ununseptium (Uus): Atomic number: 117, Atomic mass: unknown, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ioni . . . View Full Definition
Ununtrium (Uut): Atomic number: 113, Atomic mass: unknown, Electronegativity acoording to Pauling: unknown, Density: unknown, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ioni . . . View Full Definition
Uranium (U): Atomic number: 92, Atomic mass: 238.03 g.mol -1, Electronegativity: 1.7, Density: 18.95 g.cm-3 at 20°C, Meltin point: 1132 °C, Boiling point: 3818 °C, Vanderwaals radius: 0.121 nm, Ionic rad . . . View Full Definition
Vanadium (V): Atomic number: 23, Atomic mass: 50.9414 g.mol -1, Electronegativity: 1.6, Density: 6.1 g.cm-3 at 20°C, Melting point: 1910 °C, Boiling point: 3407 °C, Vanderwaals radius: 0.134 nm, Ionic rad . . . View Full Definition
Xenon (Xe): Atomic number: 54, Atomic mass: 131.29 g.mol -1, Electronegativity: unknown, Density: 5.9*10-3g.cm-3 at 20°C, Melting point: - 112 °C, Boiling point: - 107 °C, Vanderwaals radius: 0.217 nm, . . . View Full Definition
Ytterbium (Yb): Atomic number: 70, Atomic mass: 173.04 g.mol -1, Electronegativity: 1.1, Density: 7 g.cm-3 at 20°C, Melting point: 824 °C, Boiling point: 1466 °C, Vanderwaals radius: unknown, Ionic radius: . . . View Full Definition
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