1. hydrogen [ Synonyms: atomic number 1, h] | |
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
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ہلکی گیس جو آکسیجن کے ساتھ مل کر پانی بناتی ہے۔ |
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