When an Element Has 12 Neutrons and a Z=12, What ${ }_{12}^{24} \mathrm{Mg}$

question 79

Multiple Choice

When an element has 12 neutrons and a Z=12, what element and isotope are present?

• A) \({ }_{12}^{24} \mathrm{Mg}\)
• B) \({ }_{12}^{12} \mathrm{Mg}\)
• C) \({ }_{24}^{24} \mathrm{Mg}\)
• D) \({ }_{24}^{24} \mathrm{Cr}\)

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