Argon is in every breath you take and its inertness is its best feature, says Elemental’s in-house chemistry expert Professor Allan Blackman, from Auckland University of Technology.
Argon (symbol Ar and number 18) is a noble gas. Its inertness makes it useful in situations such as arc-welding and incandescent light bulbs, to prevent combustion.
Photo: RNZ
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Professor Allan Blackman is at Auckland University of Technology.
