Graphite

Science / Chemistry / Graphite: An amorphous form of carbon, made of carbon atoms bound hexagonally in sheets (like chickenwire).
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Phosphorus (P)

Science / Periodic Table of Elements / Phosphorus (P): Atomic number: 15, Atomic mass: 30,9738 g.mol -1, Oxidation states: ?± 3, 4, 5, Electronegativity: 2,1, Density: 1,82 g/ml at 20?°C, Melting point: 44,2 ?°C, Boiling point: 280 ?°C, Vanderwaals ra MORE

Molybdenum (Mo)

Science / Periodic Table of Elements / Molybdenum (Mo): Atomic number: 42, Atomic mass: 95.94 g.mol -1, Electronegativity: 1.8, Density: 10.2 g.cm-3 at 20?°C, Melting point: 2610 ?°C, Boiling point: 4825 ?°C, Vanderwaals radius: 0.139 nm, Ionic radius: MORE

Carbon (C)

Science / Periodic Table of Elements / Carbon (C): Atomic number: 6, Atomic mass: 12.011 g.mol -1, Electronegativity: 2.5, Density: 2.2 g.cm-3 at 20?°C, Melting point: 3652 ?°C, Boiling point: 4827 ?°C, Vanderwaals radius: 0.091 nm, Ionic radius: 0 MORE

Nozzle

Business / Construction / Nozzle: The part of a heating system that sprays the fuel of fuel-air mixture into the combustion chamber. MORE

Racquet

Entertainment / Tennis / Racquet: A bat with a long handle and a large looped frame with a string mesh tautly stretched across it, the frame made of wood, metal, graphite, composite, or some other synthetic material, used by a tennis MORE

Pencil

Lifestyle / Painting / Pencil: Graphite wooden jacketed pencils as are known today date from the end of the 17th century when there was a prosperous British business in the north country and when, as Sir John Pettus commented, 'Bla MORE