Who among the following scientists developed the Modern Periodic Table ?
[amp_mcq option1=”Henry Moseley” option2=”Dmitri Ivanovich Mendeleev” option3=”John Alexander Newlands” option4=”Johann Döbereiner” correct=”option1″]
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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.