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 named after Neptune, the planet beyond …

Element Neptunium (Np), Group 20, Atomic Number 93, f-block, Mass [237]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Neptunium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.

Neptunium is a chemical element of the periodic table with chemical symbol Np and atomic number 93 with an atomic weight of 237 u and is classed as actinide. Neptunium is solid at …

Periodic Table element Summary Neptunium Neptunium is a chemical element with symbol Np and atomic number 93. Classified as a n actinide, Neptunium is a solid at room temperature.

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Get the facts about element Neptunium (Np) [93] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay …

Neptunium is the 93rd element in the periodic table and has a symbol of Np and atomic number of 93. It has an atomic weight of (237) and a mass number of 219. Neptunium has ninety-three …

Neptunium (Np), radioactive chemical element of the actinoid series of the periodic table that was the first transuranium element to be artificially produced, atomic number 93. Though traces of …

Neutron bombardment on uranium resulted in an isotope with atomic number 93. Fermi published his finding of element 93 but several objections were raised against his claims. Fermi was not …