Questions: How many neutrons are in this sodium ion? [ 11^23 mathrmNa^+ ] 10 23 12 11

Transcript text: How many neutrons are in this sodium ion? \[ { }_{11}^{23} \mathrm{Na}^{+} \] 10 23 12 11

Solution

Solution Steps

Step 1: Identify the Atomic Number and Mass Number

The given sodium ion is \({ }_{11}^{23} \mathrm{Na}^{+}\). The atomic number (Z) is 11, which represents the number of protons. The mass number (A) is 23, which represents the total number of protons and neutrons.

Step 2: Calculate the Number of Neutrons

To find the number of neutrons (N), we use the formula: \[ N = A - Z \] Substituting the given values: \[ N = 23 - 11 = 12 \]

Final Answer

\(\boxed{12}\)

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