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atomic mass

[uh-tom-ik mas] / əˈtɒm ɪk ˈmæs /


Example Sentences

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Each cluster also had a mass exceeding 170,000 atomic mass units, making them heavier than most proteins.

From Science Daily May 11, 2026

Broadly speaking, atomic mass is based on the number of protons and neutrons in the nucleus of one atom of that element.

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

The protein and synthetic polymer molecules that form colloids may have molecular masses ranging from a few thousand to many million atomic mass units.

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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