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