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 …

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 …

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

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

Feb 25, 2023 · Neptunium is a silver radioactive metal with atomic number 93 and element symbol Np. While you might think it’s an exotic element that you never encounter, it actually …

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 a actinide.

Dec 28, 2023 · Neptunium, which belongs to the actinide class of the Periodic Table, has an atomic number of 93. It lies between plutonium (94) and uranium (92). It was the first …

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 is a silvery radioactive synthetic metal. (Miniscule quantities of neptunium-237 and neptunium-239 are found in nature as a result of beta decay of uranium.) Neptunium exists in …

The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element.