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Definitions

atomic mass

[uh-tom-ik mas] / əˈtɒm ɪk ˈmæs /


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

Wallner is particularly interested in the radioactive iron isotope with the atomic mass of 60.

From Science Daily Nov. 2, 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

The 18O:16O abundance ratio in some meteorites is greater than that used to calculate the average atomic mass of oxygen on earth.

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 Francis Preston Venable




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