The Element Helium - Basic Physical and Historical Information ...
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Home About This Site Comments Help Links Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | ...
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Discovered : by Sir William Ramsay in London, and independently by P.T. Cleve and N.A. Langer in Uppsala, Sweden in 1895 Origin : The name is derived from the Greek helios, sun Description : A colourless, odourless gas that is totally unreactive. It is extracted from natural gas wells, some of which contain gas that is 7% helium. It is used in deep sea diving for balloons and, as liquid helium , ...
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Statistics and information on the worldwide supply, demand, and flow of helium ...
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What is Corrosionsource.com Mission Statement Site Map Help Desk Advertise Search: Advanced Search You are here: Home Handbook Periodic Table of Elements Helium Atomic Number: 2 Atomic Symbol: He Atomic Weight: 4.00260 Electron Configuration: 2 Shells: 2 Filling Orbital: 1s2 Melting Point: -272oC @ 26atm. Boiling Point: -268.6oC Uses: Blimps, ballons, deep sea diving, welding etc. Group ...
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Helium - He - Helium is a colorless, odorless and tasteless gas. It is present in dry air in a concentration of 5.24 ppm by volume. Used extensively in the welding industry as an inert sheilding gas in arc welding. Used as a leak detector and as a carrier in gas chromotography.
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