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... 111 KB (13,510 words) - 18:24, 27 April 2024 |
Neptunium (93Np) is usually considered an artificial element, although trace quantities are found in nature, so a standard atomic weight cannot be given... 24 KB (2,408 words) - 18:59, 26 April 2024 |
Neptunium tetrabromide is a binary inorganic compound of neptunium metal and bromine with the chemical formula NpBr4. The compound can be prepared from... 6 KB (425 words) - 08:56, 9 April 2024 |
Decay chain (redirect from Neptunium Series) 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... 43 KB (3,683 words) - 08:19, 18 March 2024 |
Actinide (section Neptunium and above) 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... 130 KB (11,594 words) - 05:53, 24 March 2024 |
Neptunium tetrachloride is a binary inorganic compound of neptunium metal and chlorine with the chemical formula NpCl4. The compound can be prepared from... 4 KB (284 words) - 15:37, 7 April 2024 |
Neptunium nitride is a binary inorganic compound of neptunium and nitrogen with the chemical formula NpN. Neptunium nitride can be prepared by the reaction... 4 KB (282 words) - 14:35, 6 February 2024 |
Neptunium monocarbide is a binary compound of neptunium metal and carbon with the chemical formula NpC. Heating of freshly obtained neptunium hydride... 3 KB (156 words) - 11:19, 28 March 2024 |
Neptunium fluoride may refer to: Neptunium(III) fluoride, NpF3 Neptunium(IV) fluoride, NpF4 Neptunium(V) fluoride, NpF5 Neptunium(VI) fluoride, NpF6 This... 537 bytes (55 words) - 03:48, 1 March 2021 |
Actinides in the environment (redirect from Neptunium in the environment) 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... 15 KB (1,877 words) - 06:22, 5 October 2023 |