Whole number rule

Francis William Aston and the Mass Spectrograph

Francis William Aston and the Mass Spectrograph

On September 1, 1877, English chemist, physicist, and Nobel Laureate Francis William Aston was born. Aston won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole number rule. Francis William Aston – Early Years Francis William Aston was born in Harborne, now part of Birmingham, UK, as the third child and second…
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