EPISODE · May 14, 2026 · 8 MIN
How The Atomic Number Was Discovered
from Rational Thinker · host Rational Thinker
Henry Moseley was a British physicist known for his discovery of Moseley's Law, which relates the atomic number to the "characteristic X-ray" of each element. Before Moseley's discovery, the atomic number was merely an arbitrary number given to elements, and was not the way elements were sorted on the periodic table. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
What this episode covers
Henry Moseley was a British physicist known for his discovery of Moseley's Law, which relates the atomic number to the "characteristic X-ray" of each element. Before Moseley's discovery, the atomic number was merely an arbitrary number given to elements, and was not the way elements were sorted on the periodic table.
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How The Atomic Number Was Discovered
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