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
Together, the number of protons and the number of neutrons determine an element’s mass number, as illustrated in this figure.
From Textbooks • Jun. 9, 2022
Note that the small contribution of mass from electrons is disregarded in calculating the mass number.
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
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
