atomic number 9   (TTS Sound)

The atomic_number_9 has 1 Senses.

• atomic number 9, fluorine, f
• フッ素
• a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
• ハロゲンに属する非金属の一価元素