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
Note that the small contribution of mass from electrons is disregarded in calculating the mass number.
From Textbooks • Jun. 9, 2022
This approximation of mass can be used to easily calculate how many neutrons an element has by simply subtracting the number of protons from the mass number.
From Textbooks • Jun. 9, 2022
This continues up to A ≈ 60 , roughly corresponding to the mass number of iron.
From Textbooks • Aug. 12, 2015
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
