Consider the following changes M(s) → M(g) (1) M(s) → M²⁺(g) + 2e⁻ (2) M(g) → M⁺(g) + e⁻ (3) M⁺(g) → M²⁺(g) + e⁻ (4) M(g) → M²⁺(g) + 2e⁻ (5) The second ionization energy of M(g) could be calculated from the energy values associated with:
- A1 + 3 + 4
- B2 − 1 + 3
- C1 + 5
- D5 − 3
✓ Correct answer: D
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