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Actinium is a radioactive metal with symbol Ac and atomic number 89. It was discovered by Friedrich Oskar Giesel in 1902 and named by André-Louis Debierne in 1899, who found it in pitchblende residues.
Actinium is a rare, radioactive metal and the first of the actinides. It is used in radio immunotherapy, neutron sources and laboratory research, but it is also very toxic and has no stable isotopes.
Actinium is a radioactive chemical element in Group 3 of the periodic table, with atomic number 89. It was discovered in 1899 by Debierne and in 1902 by Giesel, and it is the prototype of the actinoid series of elements. Learn more about its properties, decay, and applications in nuclear medicine and fission.
Periodic Table element Summary Actinium Actinium is a chemical element with symbol Ac and atomic number 89. Classified as a n actinide, Actinium is a solid at room temperature.
Learn about actinium, a radioactive metallic element with a glowing blue color and a role in nuclear science and medicine. Discover its atomic structure, preparation, isotopes, and applications in neutron production and cancer treatment.
Actinium is a radioactive metal that belongs to the actinide family and has the symbol Ac. It is found in uranium ore deposits and has no commercial applications, except in laboratory research. Learn more about its history, atomic data, health effects and interesting facts.
Learn about the properties, sources and uses of actinium, the first of the actinide series of elements. Actinium is a highly radioactive metal that decays into various isotopes and can produce neutrons.
Learn about actinium, a radioactive metal discovered by Andre Debierne in 1899. Find out its properties, uses, abundance, isotopes and more.
Actinium | Ac | CID 23965 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Actinium (chemical symbol Ac, atomic number 89) is a silvery, radioactive, metallic element. Due to its intense radioactivity, it glows in the dark with a pale blue light.