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 mass number and atomic number of carbon-13 is 13 and 12 , while that of carbon-12 is 12 and 6 , respectively.
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
This gives off alpha particles at such a rate that half of it has decomposed in 150 days, leaving plutonium with atomic number 94 and mass number 238.
From A Brief History of Element Discovery, Synthesis, and Analysis by Watson, Glen W.
