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Meanings of helvetium in английском
русский
гельвеций Синонимы
Examples for "astatine"
Examples for "astatine"
1
Radium then undergoes a cascade of alpha decays that leap over astatine.
2
Funnily enough, astatine is at the same time far more robust than francium.
3
Past polonium (skipping over, for now, the ultra-rare element astatine) sits radon.
4
At the same time, francium shuttles atoms away from astatine, causing astatine to remain rare.
5
This makes francium (and astatine, for similar reasons) highly unstable.