1 文書を見つけるための辞書。

• cl, atomic number 17, chlorine
• Cl, 塩素
• a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
• ハロゲン族に属する、一般的な非金属元素