ハロゲン

noun, noun which may take the genitive case particle 'no'

halogen

Refers to the chemical elements fluorine, chlorine, bromine, iodine, and astatine. Often used attributively with の to modify nouns like ランプ (lamp) or 電球 (light bulb).

• ハロゲンは周しゅう期き表ひょうの第だい17族ぞく元げん素そです。