Which set is expected to show the smallest difference in first–ionization energy? | Periodic Trends

🧪 TheChemSolverUSNCO / General Chemistry

Periodic TrendsMCQ

Question

Which set is expected to show the smallest difference in first–ionization energy?

He, Ne, Ar

B, N, O

Mg, Mg⁺, Mg²⁺

Fe, Co, Ni

✓ Correct

💬

Still have doubts about this question?

Practice more questions like this, completely free.

Practice USNCO / General Chemistry questions like this — free

4,000+ questions across AP Chemistry, USNCO, and IChO — all free, no signup required.