Definition of transition metals
Definition of transition metals
Real World
Zinc is technically a d-block element but not a transition metal under the strict AQA definition, because Zn²⁺ has a full 3d¹⁰ configuration — a distinction that catches out many students.
Exam Focus
Quote the exact definition: 'forms at least one stable ion with a partially filled d sub-shell' — omitting 'partially filled' loses the mark.
How well did you know this?