Examples of Actinium
Actinium melts at 1,051°C.
Actinium is a silvery metal.
Actinium vaporizes at 3,198°C.
Actinium is a radioactive element.
Actinium was discovered by André-Louis Debierne in 1899.
A heroic effort to characterize the chemistry of actinium, a short-lived radioactive element, reveals surprising differences in behaviour compared with other elements in the actinide series.
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