Noun:

নেপ্টিউিনিয়াম,

neptunium's Usage Examples:

A radioactive actinide metal, neptunium is the first transuranic element.

short half-life of its starting isotope neptunium-237 (2.

14 million years), the fourth chain, the neptunium series with A = 4n + 1, is already extinct.

Neptunium(VI) fluoride (NpF6) is the highest fluoride of neptunium, it is also one of seventeen known binary hexafluorides.

Neptunium(V) fluoride or neptunium pentafluoride is a chemical compound of neptunium and fluorine with the formula NpF5.

Neptunium(IV) oxide, or neptunium dioxide, is a radioactive, olive green cubic crystalline solid with the formula NpO2.

Neptunium(III) fluoride or neptunium trifluoride is a salt of neptunium and fluorine with the formula NpF3.

Neptunium(IV) fluoride or neptunium tetrafluoride is a inorganic compound with the formula NpF4.

Neptunium(III) chloride or neptunium trichloride is an inorganic compound with a chemical formula NpCl3.

Trained as a nuclear physicist, he co-discovered the element neptunium, worked on isotope separation in the Manhattan Project, and wrote the.

but the valence +4 is preferred in solid neptunium compounds.

Ions of neptunium are prone to hydrolysis and formation of.

credited with being the first-ever to produce a transuranium element, neptunium.

compounds containing a carbon to neptunium chemical bond.

Several such compounds exist even though the element itself, neptunium, is man-made and highly radioactive:.

Neptunocene, Np(C8H8)2, is an organoneptunium compound composed of a neptunium atom sandwiched between two cyclooctatetraenide (COT2-) rings.

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.

The minor actinides include neptunium (element 93), americium (element 95), curium (element 96), berkelium (element.

First, neptunium-238 (half-life 2.

105 lead-202m3 107 francium-214m3 108 thorium-218 109 lead-202m2 110 neptunium-238m 112 polonium-205m4 115 bismuth-201m2 118 uranium-236m2 120 lead-203m3.

associates in December 1940 by bombarding uranium-238 with deuterons, creating neptunium-238.

Synonyms:

atomic number 93; metallic element; Np; metal;

Antonyms:

nonmetallic;