Helium
Helium is the first member of the noble gas family, the elements that make up Group 18 of the periodic table. Its atomic number is 2, its atomic mass is 4.002602, and its chemical symbol is He....
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Helium
Helium, the second element in the periodic table, is the second-most abundant element in the universe after hydrogen. It is a noble gas that is unreactive (because of its filled outer electroni...
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Helium
Helium is a noble gas element denoted by the atomic symbol H. It has an atomic number of 2, and the average atomic weight of its isotopes is 4.0026. It is a colorless, odorless gas which is pre...
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Helium
Symbol
He
Atomic Number
2
Atomic Mass
4.002602
Family
Group 18 (Viiia) Noble Gas Pronunciation
HEE-lee-um
Overview
Helium is a member of the noble gas family. The noble gases are the elements ...
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With the campaign jabber of the 2008 elections already getting loud, an organization that promotes transparency in politics hopes one slice of the Web can promote reasonable, intelligent debate abo...
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Beijing (dpa) - It may be decades into the future but lunar
scientists from China and other nations are already eyeing the
immense potential of nuclear fusion from a preciou...
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WASHINGTON (Reuters) - Eight unusual examples of a
burned-out celestial object known as a white dwarf detected in
our Milky Way galaxy represent a previously unknown category of
stars, astronomers...
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A high-flying hello from strangers in Michigan made its way through storms and across several hundred miles, landing recently near a Connecticut woman's home.
Marcella Lourd, 80, who lives...
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A helium-powered balloon hit a power line and crashed onto a north-central Iowa cattle pasture Friday, killing two men and injuring a third, a sheriff said.The balloon was descending when it hit th...
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Last weekend, Kent Couch settled down in his lawn chair with some snacks _ and a parachute. Attached to his lawn chair were 105 large helium balloons. Destination: Idaho.With instruments to measure...
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Friedrichshafen, Germany (dpa) - A memorial service was held in
southern Germany on Sunday to mark the 70th anniversary of the
Hindenburg airship crash which killed 36 peopl...
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American physicist (b. Oct. 14, 1914,
Washington, D.C.
—d. May 31, 2006, Blue Point,
N.Y.
), won the Nobel Prize for Physics in 2002 (with
Masatoshi
Koshiba
) for having detected neutrinos...
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Paul "Ed" Yost, considered the father of modern hot-air ballooning for a successful three-mile trip on a propane-powered balloon, has died. He was 87.Yost died Sunday at his home in New Mexico, acc...
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Helium
Helium
Helium
Helium
Campaign watchdog links with debate site
