noun🔗Shareフッ素The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals."Because fluorine is so reactive, it is often used to create stronger compounds like those found in Teflon and some toothpastes. "フッ素は非常に反応性が高いため、テフロンや一部の歯磨き粉に含まれるような、より強力な化合物を生成するために使用されることがよくあります。elementchemistrysubstancesciencematerialChat with AIVocabulary GamePractice Reading
noun🔗Shareフッ素A single atom of this element."an octahedron of fluorines"フッ素の八面体elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
