Letter (Astounding, June 1945): Sorry—You're Wrong. If Hydrogen Is Taken as 1.0, Then Helium Is Not 4.032 but 3.963 Plus. And the Proportion of Hydrogen of Atomic Weight 2 and 3 Is Nowhere Near Great Enough to GIve the 1.008 Figure. Furhter, the Atomic Weight of Hydrogen Can Be Determined by Nonchemical Means That in Effect, Weigh the Gas One Atom at a Time. The Answer Is Still 1.008/16.000ths that of Oxygen, or 1.008/4.000ths That of Helium.

From Author Wars - https://authorwars.com/books/letter-astounding-june-1945-sorry--youre-wrong-if-hydrogen-is-taken-as-10-then-helium-is-not-4032-bu-2097714.html

Overview:

Title: Letter (Astounding, June 1945): Sorry—You're Wrong. If Hydrogen Is Taken as 1.0, Then Helium Is Not 4.032 but 3.963 Plus. And the Proportion of Hydrogen of Atomic Weight 2 and 3 Is Nowhere Near Great Enough to GIve the 1.008 Figure. Furhter, the Atomic Weight of Hydrogen Can Be Determined by Nonchemical Means That in Effect, Weigh the Gas One Atom at a Time. The Answer Is Still 1.008/16.000ths that of Oxygen, or 1.008/4.000ths That of Helium.
Author: Dale Tarr
Year: 1945
Type: Essays

Editions/Publications:

Unknown. Astounding Science Fiction, June 1945 (Unknown, Dale Tarr, Street & Smith Publications, Inc., $0.25, 180 pages, digest, MAGAZINE)

This text has been adapted from the Letter (Astounding, June 1945): Sorry—You're Wrong. If Hydrogen Is Taken as 1.0, Then Helium Is Not 4.032 but 3.963 Plus. And the Proportion of Hydrogen of Atomic Weight 2 and 3 Is Nowhere Near Great Enough to GIve the 1.008 Figure. Furhter, the Atomic Weight of Hydrogen Can Be Determined by Nonchemical Means That in Effect, Weigh the Gas One Atom at a Time. The Answer Is Still 1.008/16.000ths that of Oxygen, or 1.008/4.000ths That of Helium. entry at the Internet Speculative Fiction Database and is available under a Creative Commons License. The ISFDB does not endorse or sponsor this use.