The discovery of the noble gases shows how innovative researchers have been when it came to separating and identifying minor amounts of components from mixtures using relatively simple tools. First ...

Argon was forged in the doomed star that became the Crab Nebula. (Courtesy: NASA, ESA, J Hester and A Loll (Arizona State University)) An international team of astronomers has accidentally spotted the ...

Today the periodic table is a familiar sight in science classrooms. It takes the 118 elements that compose everything in the known universe and arranges them so that substances in any given column ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

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In low-energy bulbs an electric discharge passes through argon gas containing mercury, which generates UV light. This in turn activates the coating on the inside surface of the bulb, which shines ...