Rubidium

History of Rubidium

. Found in Germany in 1861

. Founders- Robert Bunsen and Gustav Kirchhoff

. comes from the latin word rubidius which means dark red

. Properties- Density: 1.53 g.cm-3 Isotopes: 11

.Uses- remove traces of O2 in vacuum tubes, make special types of glass, fireworks to make the color purple,

.Compounds (2)- Rubidium Fluoride: RbF, Rubidium Chloride: RbF

. Atomic number - 37

. mass - 85.4678

. protons - 37

. neutrons - 48

. electrons - 37

. nuclide notation - 85.4678 Rb 37

. hyphen notation - Rb-85