atomic number 72   (TTS Sound)

The atomic_number_72 has 1 Senses.

• atomic number 72, hf, hafnium
• ハフニウム
• a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
• 化学的にジルコニウムに類似し、ジルコニウム鉱物中で見つかる灰色の四価の金属元素