Whole number rule
id:
whole-number-rule-268-559192
title:
Whole number rule
text:
In chemistry, the whole number rule states that the masses of the isotopes are whole number multiples of the mass of the hydrogen atom. The rule is a modified version of Prout's hypothesis proposed in 1815, to the effect that atomic weights are multiples of the weight of the hydrogen atom. It is also known as the Aston whole number rule after Francis W. Aston who was awarded the Nobel Prize in Chemistry in 1922 "for his discovery, by means of his mass spectrograph, of isotopes, in a large number
brand slug:
wiki
category slug:
encyclopedia
description:
Rule of thumb in chemistry
original url:
https://en.wikipedia.org/wiki/Whole_number_rule
date created:
date modified:
2023-10-31T18:49:14Z
main entity:
{"identifier":"Q2920462","url":"https://www.wikidata.org/entity/Q2920462"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c6/Francis_William_Aston.jpg","width":280,"height":396}
fields total:
13
integrity:
15