S1

Science / Tides and Currents / S1: Solar diurnal constituent. Speed = T = 15.000,000,0° per solar hour.

SS1

Business / Finance / SS1: Period when stocks or commodities futures increase in price and investors who have sold short must cover their short positions to prevent loss of large amounts of money. MORE

Cesium (Cs)

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: 0. MORE

Rhodium (Rh)

Science / Periodic Table of Elements / Rhodium (Rh): Atomic number: 45, Atomic mass: 102.91 g.mol -1, Electronegativity: 2.2, Density: 12.4 g.cm-3 at 20°C, Melting point: 1970 °C, Boiling point: 3727 °C, Isotopes: 9, Electronic shell: [ Kr ] 4d8 5s1, MORE

Lithium (Li)

Science / Periodic Table of Elements / Lithium (Li): Atomic number: 3, Atomic mass: 6.941 g.mol -1, Electronegativity: 1.0, Density: 0.53 g.cm -3 at 20 °C, Melting point: 180.5 °C, Boiling point: 1342 °C, Vanderwaals radius: 0.145 nm, Ionic radius: 0 MORE

Copper (Cu)

Science / Periodic Table of Elements / Copper (Cu): Atomic number: 29, Atomic mass: 63.546 g.mol -1, Electronegativity: 1.9, Density: 8.9 g.cm-3 at 20°C, Melting point: 1083 °C, Boiling point: 2595 °C, Vanderwaals radius: 0.128 nm, Ionic radius: 0.0 MORE

Niobium (Nb)

Science / Periodic Table of Elements / Niobium (Nb): Atomic number: 41, Atomic mass: 92.91 g.mol -1, Electronegativity: unknown, Density: 8.4 g.cm-3 at 20°C, Melting point: 2410 °C, Boiling point: 5100 °C, Vanderwaals radius: 0.143 nm, Ionic radius: MORE

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