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Definitions

atomic mass

[uh-tom-ik mas] / əˈtɒm ɪk ˈmæs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The team was able to determine that the r-process can produce atoms with an atomic mass of at least 260 before they fission.

From Science Daily • Dec. 7, 2023

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

How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?

From Textbooks • Aug. 12, 2015

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