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21 hours ago · Overview and fundamental concepts Quantum mechanics allows the calculation of properties and behaviour of physical systems. It is typically applied to microscopic systems: molecules, atoms and sub-atomic particles. It has been demonstrated to hold for complex molecules with thousands of atoms, but its application to human beings raises philosophical problems, such as Wigner's friend, and its application to the universe as a whole remains speculative. Predictions of quantum mechanics have ...
21 hours ago · There are 39 known isotopes of molybdenum, ranging in atomic mass from 81 to 119, ... [Mo 12 O 40] 3− is used for the spectroscopic detection of phosphorus.
21 hours ago · Seaborgium is a synthetic chemical element; it has symbol Sg and atomic number 106. It is named after the American nuclear chemist Glenn T. Seaborg. As a synthetic element, it can be created in a laboratory but is not found in nature. It is also radioactive; the most stable known isotope, 267 Sg, has a half-life of approximately 9.8 minutes.
