Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Melting point of Rubidium is 39 °C and its the boiling point is 688 °C. Rubidium salts are used in glasses and ceramics and in fireworks to give them a purple colour. Name: Rubidium Symbol: Rb Atomic Number: 37 Atomic Mass: 85.4678 amu Melting Point: 38.89 °C (312.04 K, 102.002 °F) Boiling Point: 688.0 °C (961.15 K, 1270.4 °F) Number of Protons/Electrons: 37 Number of Neutrons: 48 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 1.532 g/cm 3 Color: silver Atomic Structure Isotopes of Rubidium. Then multiply the percent abundance as a … An electron can spin either in clockwise or anti-clockwise direction, therefore the spin quantum number can have two values, + ½ or – ½. Atomic Number of Rubidium. Illustration 1: What is the correct set of four quantum numbers for the valence electron of rubidium (Z = 37)? This is not to be confused with the relative percentage isotope abundances which totals 100% for all the naturally occurring isotopes. Rubidium is considered to … Chemical Properties of Rubidium. Rubidium can be taken up by cells of the body, but these ions are not poisonous. Number of Electrons (with no charge): 37; Number of Neutrons (most common/stable nuclide): 48; Number of Protons: 37; Oxidation States: 1; Valence Electrons: 5s 1 Electron Dot Model. In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer. Atomic Number of Rubidium is 37.. Chemical symbol for Rubidium is Rb. First, the exact atomic mass of each isotope must be obtained. The average atomic mass of rubidium is 85.467 u. Rubidium is the chemical element with the symbol Rb and atomic number 37. A large number of radioactive isotopes have been artificially prepared, from rubidium-79 to rubidium-95. Rubidium-87 atom is the stable isotope of rubidium with relative atomic mass 86.909184, 27.9 atom percent natural abundance and nuclear spin 3/2. Rubidium-87 is an isotope of rubidium.Rubidium-87 was the first and the most popular atom for making Bose–Einstein condensates in dilute atomic gases.Even though rubidium-85 is more abundant, rubidium-87 has a positive scattering length, which means it is mutually repulsive, at low temperatures. One estimate of the age of the solar system as 4.6 billion years is based on the ratio of rubidium-87 to strontium-87 in a stony meteorite. Potential uses are in ion engines for space vehicles, as working fluid in vapor turbines, and as getter in vacuum tubes. Isotope abundances of rubidium. Atomic Number of Rubidium. Number of protons in Rubidium is 37. This prevents a collapse of all but the smallest condensates. Atomic number (number of protons in the nucleus): 37 ... Atomic weight (average mass of the atom): 85.4678; Density: 0.886 ounces per cubic inch (1.532 grams per cubic cm) ... Rubidium … There are two naturally occurring isotopes in rubidium, rubidium-85 is the stable and more abundant isotope, while rubidium … The biological half-life of rubidium is around 50 days. The atomic number of Rubidium is 37, meaning it has 37 protons. Rubidium in the environment. The number of electrons and neutrons in Rubidium (and of course every other element) varies, but in a neutral state (no electric charge, the number of protons and electrons are equal) Rubidium has 37 electrons, and its most stable isotope has 48 neutrons in its nucleus. Atomic weight of Rubidium is 85.4678 u or g/mol. Rubidium-87. | Citing this Page electron of rubidium is 85.4678 u or g/mol Isotopes | Related Links | Citing Page. Is 85.467 u Earth Elements, Basic Information | atomic Structure | Isotopes | Related Links Citing! 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