Problem

\( { }_{7}^{14} \mathrm{~N} \) How many neutrons are in this isotope of Nitrogen? 7 14 11 21

Solution

Step 1 ：\(N - Z\)

Step 2 ：\(14 - 7\)

Step 3 ：\(7\)

From Solvely APP
Source: https://solvelyapp.com/problems/7359/

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