Neptunium
id:
neptunium-173-3954105
title:
Neptunium
text:
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 Uranus in the Solar System, which uranium is named after. A neptunium atom has 93 protons and 93 electrons, of which seven are valence electrons. Neptunium metal is silvery and tarnishes when exposed to air. The element occurs in three allotropic forms and it normally exhibits five oxidation states, ranging
brand slug:
wiki
category slug:
encyclopedia
description:
Chemical element with atomic number 93 (Np)
original url:
https://en.wikipedia.org/wiki/Neptunium
date created:
2001-05-17T14:29:05Z
date modified:
2024-09-02T07:20:34Z
main entity:
{"identifier":"Q1105","url":"https://www.wikidata.org/entity/Q1105"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/90/Neptunium_metal.jpg","width":224,"height":176}
fields total:
13
integrity:
16