Original media from our community.
Clear Oxygen gas in an ampoule, in a bottle
Oxygen in an ampoule. Normally an invisible gas, Oxygen glows a faint white-blue when put under high voltage.
The Chalcogen group: |o|, |s|, |se|, and |te|
The Chalcogen group: |o|, |s|, |se|, |te|
Ampoule of Oxygen next to a plasma globe, glowing a dim lilac color
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