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प्रश्न
Write a general notation of the nucleus of element X. What each term denotes?
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उत्तर
General notation of nucleus of element X.
\[\ce{_Z^a X}\] where x is the chemical symbol of the element
A is the mass number and Z is the atomic number. For example `7^("N"^15)`.
Z = 7, N = (A – Z) = (15 – 7) = 8
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