At
The atomic symbol for Astatine
The Atomic Number for astatine? is 85.
Atomic Weight: (210)*
Period: Four
Group: Group VIIA?
*estimate
See also Astatine? and Periodic Table.
— Scotus - 04 Aug 2001
The Atomic Number for astatine? is 85.
Atomic Weight: (210)*
Period: Four
Group: Group VIIA?
*estimate
See also Astatine? and Periodic Table.
— Scotus - 04 Aug 2001