Question
Explain the term nucleons with examples.
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Answer
The term nucleon refers to the sum of protons ( $p$ ) and neutrons ( $n$ ) present in atom, e.g. Number of nucleons present in ${ }_{20}^{40} Ca$ are 40 (i.e., 20 protons and 20 neutrons). Number of nucleons present in ${ }_{11}^{23} Na$ are 23 (i.e., 11 protons and 12 neutrons).
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