Asked by julie
Who was the first chemist to organize elements by atomic number?
Johann Wolfgang Döbereiner
Antoine Lavoisier
Henry Moseley
John Newlands
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Henry Moseley.
He showed (using X‑ray spectra in 1913) that the correct ordering of elements is by atomic number (nuclear charge), not atomic weight.
He showed (using X‑ray spectra in 1913) that the correct ordering of elements is by atomic number (nuclear charge), not atomic weight.
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