Astatine
Name:
Astatine ['æstəti:n]
At Molar Mass Conversion in Batch
Elem.
Total
Name
Atomic Mass
(g/mol)
Percentage
Mass
At
1
Astatine
210
100%
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
Example Reactions:
• At + Li = LiAt
• Na + At = NaAt
