Rubidium

= RUBIDUIM = By: Jasmine


 * Atomic Number:** 37


 * Protons:** there are 37 protons


 * Electrons:** there are 37 electrons


 * Neutrons:** Using the atomic number and average atomic mass figure out the number of neutrons in the most common isotope. there is 48 neutrons


 * Average Atomic Mass:** 854.678


 * Isotopes:** . rb-81,rb-82,rb-83,rb-83,rb-84,rb-85,rb-86,rb-87,rb-88,rb-89,rb-90,rb-90m.


 * Discovery: in 1861 two german chemists Gustav Kirchhoff and robert bunsen were analyzing a sample of the mineral lepidolite with a device called a spectroscope. the samples produced a set of deep red spectral lines the chemist have never seen before. bunsen isolated samples of rubidium metal **
 * Name:** from the latin word rubidus meaning "dark red" or"deepest red"


 * Uses:** rubidium is used in vacum tubes,ion engine. known in ionic crystals,and used in special glasses


 * Interesting Facts: means darkest red in latin, rubidium may be liquid and room temperature, its color flame is a yellowish violet.**


 * Video:**

sources** information: http://www.webelements.com/rubidium/, http://www.webelements.com/rubidium/,http://education.jlab.org/itselemental/ele037.html picture:http://images.google.com/images?hl=en&safe=active&um=1&q=rubidium+pictures&sa=N&start=0&ndsp=18 video: http://www.youtube.com/watch?v=FCz7424Vo0E
 * media type="youtube" key="FCz7424Vo0E" height="344" width="425"