Definition of Neptunium. Meaning of Neptunium. Synonyms of Neptunium

Here you will find one or more explanations in English for the word Neptunium. Also in the bottom left of the page several parts of wikipedia pages related to the word Neptunium and, of course, Neptunium synonyms and on the right images related to the word Neptunium.

Definition of Neptunium

Neptunium
Neptunium Nep*tu"ni*um, n. [NL.] A new metallic element, of doubtful genuineness and uncertain indentification, said to exist in certain minerals, as columbite.

Meaning of Neptunium from wikipedia

- Neptunium is a chemical element; it has symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. It is...
- Neptunium (93Np) is usually considered an artificial element, although trace quantities are found in nature, so a standard atomic weight cannot be given...
- Neptunium nitride is a binary inorganic compound of neptunium and nitrogen with the chemical formula NpN. Neptunium nitride can be prepared by the reaction...
- neutrinos, is 42.6 MeV. The 4n + 1 chain of neptunium-237 is commonly called the "neptunium series" or "neptunium cascade". In this series, only two of the...
- Neptunium monocarbide is a binary compound of neptunium metal and carbon with the chemical formula NpC. Heating of freshly obtained neptunium hydride...
- Neptunium tetrabromide is a binary inorganic compound of neptunium metal and bromine with the chemical formula NpBr4. The compound can be prepared from...
- but the valence +4 is preferred in solid neptunium compounds. Neptunium metal is very reactive. Ions of neptunium are prone to hydrolysis and formation of...
- Neptunium tetrachloride is a binary inorganic compound of neptunium metal and chlorine with the chemical formula NpCl4. The compound can be prepared from...
- Neptunium fluoride may refer to: Neptunium(III) fluoride, NpF3 Neptunium(IV) fluoride, NpF4 Neptunium(V) fluoride, NpF5 Neptunium(VI) fluoride, NpF6 This...
- Like plutonium, neptunium has a high affinity for soil. However, it is relatively mobile over the long term, and diffusion of neptunium-237 in groundwater...