Astatine
Atomic No:
85
Name:
Astatine  ['æstəti:n]
Formula:
At
Molar Mass:
210

Astatine element has 85 protons, 125 neutrons and 85 electrons. Astatine is a radioactive solid metal at room temperature. The melting point of Astatine metal is 302 ̊C. Astatine cation is At+, anion is At-1 (astatide).

» Common Astatine compounds:
• Astatine Monoiodide, AtI
• Astatine Monochloride, AtCl
• Astatine Monobromide, AtBr
• Magnesium Astatide, MgAt2
• Calcium Astatide, CaAt2


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