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Bohr Rutherford Diagram For Aluminum s lawMoseley s law is an empirical law concerning the characteristic x rays that are emitted by atoms The law was discovered and published by the English physicist Henry Moseley in 1913 It is historically important in quantitatively justifying the conception of the nuclear model of the atom with all or nearly all positive charges of the atom located in the nucleus and associated on an integer Bohr Rutherford Diagram For Aluminum nobeliefs atom htmATOMS A short history of the knowledge of the atom Compiled by Jim Walker Originated Sept 1988 Latest revision Nov 2004 atom n A unit of matter the smallest unit of an element consisting of a dense central positively charged nucleus surrounded by a system of electrons equal in number to the number of nuclear protons the entire structure having an approximate diameter of 10 8 rayA gamma ray or gamma radiation symbol or is a penetrating electromagnetic radiation arising from the ra...