Experts have speculated that Moseley could otherwise have been awarded the Nobel Prize in Physics in 1916. Moseley said that the atomic number must be the number of positive charges on the nucleus. Henry Gwyn Jeffreys Moseley (Novem August 10, 1915) was an English physicist.His main contributions to science were the quantitative justification of the previously empirical concept of atomic number, and Moseleys law.This law advanced chemistry by immediately sorting the elements of the periodic table in a more logical order. Moseley was shot and killed during the Battle of Gallipoli on 10 August 1915, at the age of 27. Moseley was assigned to the force of British Empire soldiers that invaded the region of Gallipoli, Turkey, in April 1915, as a telecommunications officer. Henry Moseleys research career lasted only forty months before tragically ending with his death on a Gallipoli battlefield in World War I. He claims special attention because he started a brilliant and brief research career abruptly interrupted in August 1915, when he was killed during the battle of Gallipoli in the Dardanelles. When World War I broke out in Western Europe, Moseley left his research work at the University of Oxford behind to volunteer for the Royal Engineers of the British Army. Moseleys law is an empirical law concerning the characteristic X-rays emitted by atoms. Henry Gwyn Jeffreys Moseley (18871915) is a fascinating figure in the history of modern science. That theory refined Ernest Rutherford's and Antonius van den Broek's model, which proposed that the atom contains in its nucleus a number of positive nuclear charges that is equal to its (atomic) number in the periodic table. Moseley's law advanced atomic physics, nuclear physics and quantum physics by providing the first experimental evidence in favour of Niels Bohr's theory, aside from the hydrogen atom spectrum which the Bohr theory was designed to reproduce.
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