What Isotope Has 2 Neutrons and 2 Protons?
A) ${ }_{4}^{2} \mathrm{Be}$

question 45

Multiple Choice

What isotope has 2 neutrons and 2 protons?

• A) \({ }_{4}^{2} \mathrm{Be}\)
• B) \({ }_{2}^{4} \mathrm{Be}\)
• C) \({ }_{4}^{2} \mathrm{He}\)
• D) \({ }_{2}^{4} \mathrm{He}\)

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