mass number
Example Sentences
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As an example, the masses and radii of all nuclei up to mass number 50 were calculated using this method.
From Science Daily • May 15, 2024
Since an element’s isotopes will have slightly different mass numbers, scientists also determine the atomic mass, which is the calculated mean of the mass number for its naturally occurring isotopes.
From Textbooks • Jun. 9, 2022
Electron capture has the same effect on the nucleus as does positron emission: The atomic number is decreased by one and the mass number does not change.
From Textbooks • Feb. 14, 2019
Each contains a different number of protons and neutrons, giving it its own atomic number and mass number.
From Textbooks • Apr. 25, 2013
The nation is an army which can bring to bear mass, number, and force, but not an assembly of free men in which each individual depends for his value on himself.
From Amiel's Journal by Ward, Humphry, Mrs.
