Actinium
Of element and uranium ore. May also be referred to as Ac and atomic number 89.
A radioactive element of the actinide series; found in uranium ores.
This concept's ID is @1~73878
Of element and uranium ore. May also be referred to as Ac and atomic number 89.
A radioactive element of the actinide series; found in uranium ores.
This concept's ID is @1~73878