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Standard nuclear notation shows the chemical symbol, the mass number and the atomic number of the isotope. Example: the isotopes of carbon. The element is determined by the atomic number 6. Carbon-12 is the common isotope, with carbon-13 as another stable isotope which makes up about 1%.
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Answer:

The process of showing number of protons and neutrons in an atom is known as atomic notation. Example: the isotopes of carbon, e.t.c

Explanation:

The number of protons in neucleus of an atom is called the atomic number, represented symbolically as Z, and it is a unique characteristic of an element. However, in written documents the number of protons (also Zand the atomic number are shown as a subscripted prefix of the elemental symbol)

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