Actinium
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Actinium
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CAS No:
7440-34-8
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Formula:
Ac
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Chemical Name:
Actinium
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Synonyms:
Actinium
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CAS No:
Description
Silvery metal; cubic crystal; melts at 1,051°C; vaporizes at 3,198°C; density 10.0 g/cm3
Actinium atom is a scandium group element atom, an actinoid atom and a f-block element atom.|Actinium has been investigated for the treatment of Breast Cancer and Pulmonary Disease, Chronic Obstructive.|A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
Characteristics
0
0.00000
10.07 g/cu cm at 25 deg C
1051 deg C /Actinium metal/
Approx. 3300 deg C /Actinium metal/
Forms insol salts, e.g. carbonate, oxalate, phosphate /Actinium/