Practice question

MCQ

Question

Which of the following has the same number of neutrons as an atom with 12 protons and mass number 24?

Choose one · Correct answer highlighted

²⁵₁₂Mg ²⁴₁₃Al ²³₁₁Na Correct ²⁶₁₄Si

Neutrons = 12. ²³₁₁Na also has 12 neutrons.

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