What does H mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand H in the Miscellaneous field in general and in the Unclassified terminology in particular.
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What does H mean?
- hydrogen, H, atomic number 1(noun)
- a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe