polonium isotope 中文意思是什麼
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Over 25 isotopes of polonium are known, with atomic masses ranging from 192 to 218. polonium - 210, the predominant isotope of polonium, is radioactive and emits alpha particles on decay
現時已知道釙元素有25個同位素，它們的質量數由192至218 ，釙210是當中顯著的一個同位素，具放射性特徵，會釋出放射性阿爾法粒子。 -
Polonium - 210, a naturally occurring isotope of polonium, is found in all environmental media, such as in soil, air and even in human body, at very small amounts
釙210是釙元素的一個同位素，在所有自然環境中，例如泥土大氣以至人體都可以找到極少量釙210 。
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