It's rarest but don't know if it's expensive
Astatine has 125 neutrons
francium plus (+) Astatine *
what is a common compound of astatine
The boiling point of astatine is 337 0C.
Astatine is actually a metalloid. Therefore, it doesn't rust.
Astatine. the entire planet contains only about 17 atoms of it
Astatine is an element with the symbol At.
The color of the element astatine is unknown.
Astatine has 125 neutrons
Examples: californium, americium, curium, iridium, rhenium, osmium, palladium, francium, astatine, technetium.
Astatine has 85 protons.
francium plus (+) Astatine *
The chemical symbol of astatine is At
The chemical symbol of astatine is At
The valence of astatine is -1.
Now, no commercial use for astatine; but the isotope astatine 211 was proposed for the radiotherapy of cancers.
The odor of astatine is not known up today.