Astatine is a rare, radioactive halogen element with symbol At and atomic number 85. In scientific contexts, it appears primarily in discussions of nuclear decay and isotopic chemistry. The word is used in chemistry and physics literature, typically as a formal, technical term rather than in everyday speech.
Full pronunciation guide6 of 83 videos
0:54Acid
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1:00Americium
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0:59Antimony
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0:59Aqueous
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Argon
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1:00Astatine
How to Pronounce Astatine
0:56Barium
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0:58Beryllium
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0:57Bismuth
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0:56Boron
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