Examples of using "Actinium" in a sentence and their english translations:
Actinium is a radioactive element.
Actinium is a silvery metal.
Actinium vaporizes at 3,198°C.
Actinium was discovered by André-Louis Debierne in 1899.
The half life of actinium-224 is 2.7 hours.
The half life of actinium-225 is approximately 10 days.