The transition elements have a characteristic electronic configuration which can be represented as
- A(n − 2)s²p⁶d¹–¹⁰ (n − 1)s²p⁶ns²
- B(n − 2)s²p⁶d¹–¹⁰ (n − 1)s²p⁶d¹ or ² ns¹
- C(n − 1)s²p⁶d¹⁰ ns²np⁶nd¹–¹⁰
- D(n − 1)s²p⁶d¹–¹⁰ns⁰–²
✓ Correct answer: D
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