Frequently Asked Question

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WHAT is MASS NUMBER rncopper

Accepted Answer

The mass number of an atom is the total number of protons and neutrons in its nucleus. It is represented by the symbol A. The mass number is a fundamental property of an atom, and it determines the atom's atomic mass. The atomic mass of an element is the weighted average of the mass numbers of all of its isotopes, taking into account the relative abundance of each isotope.


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