Radium
id:
radium-182-3615103
title:
Radium
text:
Radium is a chemical element; it has symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather than oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope being radium-226 with a half-life of 1,600 years. When radium decays, it emits ionizing radiation as a
brand slug:
wiki
category slug:
encyclopedia
description:
Chemical element with atomic number 88 (Ra)
original url:
https://en.wikipedia.org/wiki/Radium
date created:
2001-09-15T20:48:58Z
date modified:
2024-09-06T04:14:50Z
main entity:
{"identifier":"Q1128","url":"https://www.wikidata.org/entity/Q1128"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bb/Radium226.jpg","width":653,"height":522}
fields total:
13
integrity:
16