Business / Machine Shop / Solder: The metal or alloy used as a filler metal in soldering, which has a liquidus not exceeding 840ºF (450ºC) and below the solidus of the base metal.

Lead (Pb)

Science / Periodic Table of Elements / Lead (Pb): Atomic number: 82, Atomic mass: 207.2 g.mol -1, Electronegativity: 1.8, Density: 11.34 at 20°C, Melting point: 327 °C, Boiling point: 1755 °C, Vanderwaals radius: 0.154 nm, Ionic radius: 0.1 MORE

Gold (Au)

Science / Periodic Table of Elements / Gold (Au): Atomic number: 79, Atomic mass: 196.9655 g.mol -1, Electronegativity ccording to Pauling: 2.4, Density: 19.3 at 20°C, Melting point: 1062 °C, Boiling point: 2000 °C, Vanderwaals radius: 0.14 MORE

Tin (Sn)

Science / Periodic Table of Elements / Tin (Sn): Atomic number: 50, Atomic mass: 118.69 g.mol -1, Electronegativity: 1.8, Density: (alpha) and 7.3 at 20°C (beta), Melting point: 232 °C, Boiling point: 2270 °C, Vanderwaals radius MORE


Science / Chemistry / Corrosion: Corrosion is a reaction that involves action of an oxidizing agent on a metal. The oxidizing agent is often oxygen dissolved in water. See How Iron Rusts for examples. MORE


Entertainment / Bowling / Flush: Being solid in the pocket. MORE

Bismuth (Bi)

Science / Periodic Table of Elements / Bismuth (Bi): Atomic number: 83, Atomic mass: 208.9804 g.mol -1, Electronegativity: 1.9, Density: 9.80 at 20°C, Melting point: 271 °C, Boiling point: 1420 °C, Vanderwaals radius: 0.152 nm, Ionic radius: 0 MORE