What element, discovered in the late 19th century, is known for its unique ability to glow blue when electrified?
Category: Knowledge · Difficulty: expert
Hint: It's part of a group known for being chemically inert.
Answer
Noble gas.
Explanation
Noble gases, like neon, can glow when electrified, showcasing their unique properties.
This is a expert knowledge riddle — one of the harder riddles here. The answer is Noble gas..
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