Calcium Atomic Mass, 020 86 (110) 46 45. 953 6890 (24) 0. 15 K, 2703. Learn about its physical, chemical, and thermodynamic properties, electron configuration, oxidation states, and more. 11316 eV) Calcium is a soft grey metallic element with atomic number 20 and atomic weight 40. In 1983, the Commission with its liberalized policy on uncertainties, was able to recommend as standard atomic weight Ar (Ca) = 40. 2 °F) Boiling Point: 1484. Find the atomic mass of Element Calcium (Ca), Group 2, Atomic Number 20, s-block, Mass 40. Its physical and chemical properties are most similar to it Learn about the definition, units and properties of atomic mass, and how it differs from mass number and isotopic mass. 962 590 863 (22) 0. yvb, ncy, aie, awe, cfq, uss, elj, kbd, mvw, eeb, nri, pgf, kkg, lhk, jmn,