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Q: what was Henry Moseley's contribution to the periodic table?
A: Henry Gwyn Jeffreys Moseley (23 November 1887 – 10 August 1915) was an English physicist. [ Moseley's outstanding contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number. This stemmed from his development of Moseley's law in X-ray spectra. Moseley's Law justified many concepts in chemistry by sorting the
chemical elements of the periodic table of the elements in a quite logical order based on their physics. Moseley's law advanced atomic physics by providing the first experimental evidence in favor of Niels Bohr's theory, aside from the hydrogen atom spectrum which the Bohr theory was designed to reproduce. 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. This remains the accepted model today. Please also refer to Thank you for using Weegy ]
Expert answered|Bernardo Dela Rosa|Points 105|
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Asked 11/3/2011 9:33:07 PM
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____________ is the energy charge that reflects how much and atom in a molecule attracts electrons.
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Updated 10/7/2015 1:20:04 AM
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Electronegativity is the energy charge that reflects how much and atom in a molecule attracts electrons.
Added 10/7/2015 1:20:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [10/7/2015 2:38:13 AM]
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