atomic number 84   (TTS Sound)

The atomic_number_84 has 1 Senses.

• atomic number 84, polonium, po
• ポロニウム
• a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
• テルルとビスマスと類似している放射性金属元素