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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

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

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