Neptunium - Wikipedia, the free encyclopedia
Notable characteristics, history, occurrence, isotopes, and weapons applications. ... Neptunium (pronounced /nɛpˈtjuːniəm/, nep-TEW-nee-əm) is a chemical element with ...
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neptunium: Definition from Answers.com
neptunium n. ( Symbol Np ) A silvery, metallic, naturally radioactive element, atomic number 93, the first of the transuranium elements
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Neptunium
Basic ... (Planet Neptune) Neptunium was the first synthetic transuranium ... Neptunium is prepared by the reduction of NpF3 with barium or lithium vapor ...
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Neptunium
Neptunium was the first transuranic element to be. formed and was named for ... Of the seventeen neptunium isotopes, only three have half ... Neptunium is ...
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Neptunium
Neptunium (pronounced /nɛpˈtjuːniəm/) is a chemical element with the symbol Np ... Neptunium (named for the planet Neptune, the next planet out from Uranus, after ...
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It's Elemental - The Element Neptunium
The Element Neptunium - Basic Physical and Historical Information ... Neptunium-237, which is produced in gram quantities as a by-product of the ...
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neptunium — FactMonster.com
Neptunium forms numerous chemical compounds. ... There are 20 known isotopes of neptunium. ... Np - Np Np, symbol for element neptunium. ...
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Neptunium
Neptunium (IPA: /ˌnɛpˈt(j)uːniəm/) is an element in the periodic table that has ... Neptunium forms tri- and tetrahalides such as NpF 3, NpF4, NpCl 4, NpBr 3, NpI 3, ...
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Neptunium - New World Encyclopedia
Neptunium (chemical symbol Np, atomic number 93) is a silvery radioactive ... Neptunium is an inner transition metal of the actinide series, located in period ...
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Neptunium - MSN Encarta
Neptunium, symbol Np, radioactive metallic element with an atomic number of 93. Neptunium is one of the transuranium elements in the actinide series. ... Neptunium ...
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