Actinium is a chemical element; it has symbol Ac and atomic number 89. It was first isolated by Friedrich Oskar Giesel in 1902, who gave it the name emanium; the element got its name by being wrongly identified with a substance André-Louis Debierne found in …

Sep 16, 2013 · Actinium is the first of the actinide series of elements. The chemical behavior of actinium is similar to rare earths, especially lanthanum. Actinium is about 150 times as active as radium.

Jul 30, 2024 · A study at Berkeley Lab has revealed new insights into actinium, an element critical for emerging cancer treatments. By examining its crystal structure, researchers have noted unique properties that could enhance targeted alpha therapy, a promising method in cancer treatment.

Element Actinium (Ac), Group 20, Atomic Number 89, d-block, Mass [227]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Actinium, the ions of which in solution are colourless, exhibits an oxidation state of +3, closely resembling the rare-earth lanthanoid elements in its chemical properties. Actinium is the prototype of a second rare-earth-like series, the actinoid elements.

Actinium is a radioactive metal. It is the third element in row 7 of the periodic table. It is considered often as the first of the actinides, a group of “inner transition metals”. Quite recently discovered, it has been a useful metal in laboratory research over the past century.

Jan 21, 2018 · Actinium is a radioactive metal that is the first element of the actinide series. It's sometimes considered the third element in Row 7 (last row) of the periodic table or in Group 3 (IIIB), depending on which chemist you ask. Here are 10 interesting facts about actinium.

Dec 5, 2019 · Actinium is the radioactive element that has atomic number 89 and element symbol Ac. It was the first non-primordial radioactive element to be isolated, although other radioactive elements had been observed before actinium. This element possesses several unusual and interesting characteristics. Here are the properties, uses, and sources of Ac.

Oct 21, 2016 · Actinium has been investigated for the treatment of Breast Cancer and Pulmonary Disease, Chronic Obstructive.

Oct 14, 2021 · 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. actinium is a mineral. View More... Computed by PubChem 2.2 (PubChem release 2021.10.14)