atomic mass
Example Sentences
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Potassium occurs naturally in three isotopic forms -- potassium-39, potassium-40, and potassium-41 -- each differing slightly in atomic mass.
From Science Daily • Oct. 17, 2025
When we refer to light or heavy elements, we're talking about their atomic mass.
From Science Daily • Dec. 7, 2023
Twelve, named for the atomic mass of carbon, has developed a process to make jet fuel using renewable electricity, water and waste biomass CO2 instead of fossil fuels.
From Seattle Times • Jul. 12, 2023
When a naturally occurring element is composed of several isotopes, the atomic mass of the element represents the average of the masses of the isotopes involved.
From Textbooks • Feb. 14, 2019
The best evidence that these particles are of atomic mass is furnished by their deflection in electric and magnetic fields.
From A Brief Account of Radio-activity by Venable, Francis Preston
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.