Talk:Noble gas

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Noble gas is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so.

This article appeared on Wikipedia's Main Page as Today's featured article on August 18, 2008.

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Date	Process	Result
February 25, 2008	Peer review	Reviewed
April 28, 2008	Good article nominee	Not listed
June 26, 2008	Peer review	Reviewed
June 26, 2008	Good article nominee	Listed
July 6, 2008	Featured article candidate	Promoted
August 6, 2008	Featured topic candidate	Promoted
February 3, 2023	Featured topic removal candidate	Demoted
Current status: Featured article

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POTD[edit]

Picture of the day

The noble gases are a group of chemical elements with similar properties in the periodic table. The six noble gases that occur naturally are helium, neon, argon, krypton, xenon, and the radioactive radon. Under standard conditions, the gases are all colorless, odorless, tasteless and nonflammable. The noble gases show extremely low chemical reactivity, and only a few hundred noble gas compounds have been formed.

This picture shows a gas discharge tube containing krypton.

See images of other noble gases: Helium · Neon · ArgonPhotograph: Alchemist-hp

Archive – More featured pictures...

Hindenburg and helium[edit]

There are two references on the page implying that helium was only used as a replacement for hydrogen after the Hindenburg disaster. This is false. The US operated helium-filled airships contemporary with the Hindenburg, including the USS Akron (ZRS-4) and USS Macon (ZRS-5). The Hindenburg used hydrogen because they didn't have access to helium, a resource extracted from natural gas deposits available only to the US and Russia. Neither were willing to sell this strategic military resource to Nazi Germany for obvious reasons. The Hindenburg's use of hydrogen was a political issue, not an engineering/science issue. — Preceding unsigned comment added by 24.108.138.101 (talk) 20:32, 25 February 2024 (UTC)[reply]

(Please use the Add Topic button in future)

If you have a reliable source, please let us know. See WP:FULLCITE Johnjbarton (talk) 22:47, 25 February 2024 (UTC)[reply]

Radon discharge color[edit]

What color does radon glow in an electric discharge tube? Did someone get rid of it, or am I mistaken? 2600:1008:B11F:5DF9:2099:8782:E2A8:765E (talk) 21:11, 30 August 2023 (UTC)[reply]

Nobody ever tried it experimentally, I think. Probably it glows violet-blue. Double sharp (talk) 04:22, 25 December 2023 (UTC)[reply]