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
There is no change in mass number or atomic number during the emission of a γ ray unless the γ emission accompanies one of the other modes of decay.
From Textbooks • Feb. 14, 2019
Emission of an electron does not change the mass number of the nuclide but does increase the number of its protons and decrease the number of its neutrons.
From Textbooks • Feb. 14, 2019
In this system forces were considered inherent in matter, being expressed as mechanical movements, and determined by mass, number, and weight.
From A History of Science — Volume 4 by Williams, Henry Smith
