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
The iodine atoms are added as anions, and each has a 1− charge and a mass number of 127.
From Textbooks • Feb. 14, 2019
If the atomic number and the mass number of all but one of the particles in a nuclear reaction are known, we can identify the particle by balancing the reaction.
From Textbooks • Feb. 14, 2019
The mass number, or atomic mass, is the number of protons plus the number of neutrons of that element.
From Textbooks • Apr. 25, 2013
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