Find physical and chemical properties of Actinium (Ac) like element name, symbol, atomic number, atomic weight, density, color, melting point, boiling point, physical state at room temperature, isotopes, compounds, half life period, category, year of discovery and more Atomic weight of Actinium is 227 u or g/mol.
Abundance Solar System: negligible. 4Ac(OH) 3 + 3CCl 4 → 4AcCl 3 + 3CO 2 + 6H 2 O Actinium is a radioactive element with an atomic number 89 of the periodic table. Atomic Mass:(227.0) amu. Specific heat, or specific heat capacity, is a property related to internal energy that is very important in thermodynamics.The intensive properties c v and c p are defined for pure, simple compressible substances as partial derivatives of the internal energy u(T, v) and enthalpy h(T, p), respectively: Period Number: 7.
Facts About Actinium. In nature, it is found in traces of most of the Uranium ores. ... Actinium, like radium and polonium, emits an ethereal blue radiance which contributes to pitchblende's luminescent properties. Actinium. Number of protons in Actinium is 89. Actinium is pronounced as ak-TIN-ee-em. Melting point of Actinium is … Actinium-227, a decay product of uranium-235, is a beta emitter with a 21.6-year half-life.
Higher temperatures resulted in evaporation of the product and lower ones lead to an incomplete transformation. Note that, these points are associated with the standard atmospheric pressure . What's in a name? The oxidation number of actinium in actinium trichloride is 3.. Synthesis. Its principal decay products are thorium-227 (18.5-day half-life), radium-223 (11.4-day half-life), and a number of short-lived products including radon, bismuth, polonium, and lead isotopes. Boiling point The temperature at which the liquid–gas phase change occurs. Actinium metal has been prepared by the reduction of actinium fluoride with lithium vapor in vacuum at a temperature between 1100 and 1300 °C. Actinium, 89 Ac General properties; Pronunciation / æ k ˈ t ɪ n i ə m / (ak-TIN-ee-əm) Appearance: silvery-white, glowing with an eerie blue light; sometimes with a golden cast Mass number: 227 (most stable isotope) Actinium in the periodic table Name:Actinium. Physical properties of Actinium include melting point, boiling point, mechanical strength Atomic Number of Actinium is 89. Group Number: none. Basic Information| Atomic Structure| Isotopes| Related Links| Citing This Page.
Specific Heat. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 0.23 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 482.98 (Adapted Stein & Brown method) Melting Pt (deg C): 188.60 (Mean or Weighted MP) VP(mm Hg,25 deg C): 4.24E-009 (Modified Grain method) Subcooled liquid VP: 2.19E-007 mm Hg (25 deg C, Mod-Grain method) Water … Source: Natural U-235 radioactive decay. Cost, pure: $ per 100g. Special Notes: Radioactive. It occurs naturally as one of the sequence of isotopes that originate with the radioactive decay of uranium-235. Due to intense radioactivity, this metal glows blue in the dark. Basic Information. (Image: © Andrei Marincas | Shutterstock) Atomic Number: 89 Atomic … Uses of Actinium. Latent Heat of Vaporization of Actinium is — kJ/mol. Say what? A ton of pitcheblende contains about 0.15 milligrams of actinium. A tonne of pitchblende contains around 150 mg of actinium. By Live Science Staff September 16, 2013. It also shares similar properties to that of lanthanum. Actinium compounds are ionic and would not be volatile and would exist solely in … Actinium is used as a source of neutrons. Boiling point of Actinium is 3200°C . Cost, bulk: $ per 100g. Chemical symbol for Actinium is Ac. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™.