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== Notable characteristics ==
Neon is the second-lightest [[noble gas]], glows [[red]]dish-[[Orange (colour)|orange]] in a [[discharge tube|vacuum discharge tube]] and has over 40 times the [[refrigerating capacity]] of liquid [[helium]] and three times that of liquid [[hydrogen]] (on a per unit volume basis). In most applications it is a less expensive [[refrigerant]] than helium. Neon
== Applications ==
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