May 4, 1870 – Birth of Antonius van den Broek, the physicist who established the direct correlation between the charge of the atomic nucleus and the periodic table

His great contribution to science was the direct correlation between the charge of the atomic nucleus and the periodic table that was published in the scientific magazine "Nature" on July 20, 1911. He was the first to realize that the number of a element in the periodic table (now known as atomic number) corresponds to the charge of its atomic nucleus. This hypothesis inspired the experimental work of Henry Moseley that quantitatively justified the concept of atomic number which he designated with the letter Z.

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Antonius van den Broek
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