Who among the following scientists developed the Modern Periodic Table ?
Henry Moseley
Dmitri Ivanovich Mendeleev
John Alexander Newlands
Johann Döbereiner
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UPSC Geoscientist – 2024
Moseley’s work in 1913 using X-ray spectroscopy showed that the atomic number (the number of protons in an atom’s nucleus) is a more fundamental property than atomic mass for organizing the elements. Arranging elements by increasing atomic number resolves anomalies present in Mendeleev’s table.