Argon
id:
argon-183-7139129
title:
Argon
text:
Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most abundant gas in Earth's atmosphere, at 0.934%. It is more than twice as abundant as water vapor, 23 times as abundant as carbon dioxide, and more than 500 times as abundant as neon. Argon is the most abundant noble gas in Earth's crust, comprising 0.00015% of the crust. Nearly all argon in Earth's atmosphere is radiogenic argon-40, derived from t
brand slug:
wiki
category slug:
encyclopedia
description:
Chemical element with atomic number 18 (Ar)
original url:
https://en.wikipedia.org/wiki/Argon
date created:
2001-05-17T12:55:38Z
date modified:
2024-09-06T22:14:44Z
main entity:
{"identifier":"Q696","url":"https://www.wikidata.org/entity/Q696"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/8/87/Argon_discharge_tube.jpg","width":3008,"height":2008}
fields total:
13
integrity:
16