What Period Is Rubidium
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Rubidium can be used to give fireworks a red violet color.
What period is rubidium. Rubidium was discovered by the german chemists robert bunsen and gustav kirchhoff in 1861 while analyzing samples of the mineral lepidolite kli 2 al al si 3 o 10 f oh 2 with a device called a spectroscope the sample produced a set of deep red spectral lines they had never seen before. Rubidium metal shares similarities to potassium metal and caesium metal in physical appearance softness and conductivity. Rubidium is the second most reactive metal and is very soft with a silvery white lustre. The origin of the name comes from the latin word rubidius meaning dark red or deepest red it is a soft silvery white highly reactive metal that ignites in air and reacts violently with water or oxidants.
Rubidium rb chemical element of group 1 ia in the periodic table the alkali metal group. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. Rubidium is no exception to this rule being silvery white and melting at 39 ºc. There are two naturally occurring isotopes in rubidium rubidium 85 is the stable and more abundant isotope while rubidium 87 is the radioactive isotope.
It is a soft silvery white metallic element of the alkali metals group group 1. Rubidium is a soft silvery white metallic element of the alkali metal group with an atomic mass of 85 4678. The hyper fine electron structure of rubidium 87 is used in some atomic clocks to maintain accuracy. Rubidium is a soft silvery white metallic element.
Rubidium is the chemical element with the symbol rb and atomic number 37. Rubidium is a very soft silvery white metal in the alkali metal group. Rubidium is the 23 rd most abundant element in the earth s crust. Rubidium was discovered 1861 spectroscopically by german scientists robert bunsen and gustav kirchhoff and named.
Rubidium can be taken up by cells of the body but these ions are not poisonous. Like the other group 1 metals rubidium reacts violently in water forming corrosive rubidium hydroxide rboh and hydrogen gas which is ignited by the heat of the reaction. Rubidium chloride is used in biochemistry as a biomarker to track where potassium is taken up by living organisms. The biological half life of rubidium is around 50 days.
Rubidium cannot be stored under atmospheric oxygen as a highly exothermic reaction will ensue sometimes even resulting in the. It is solid at room temperature but melts easily at 39 3 o c. The element has two naturally occurring isotopes. The chemical symbol for rubidium is rb.
Rubidium can be liquid at ambient temperature but only on a hot day given that its melting point is about 40 c.
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