Chemistry A-Level
Boundary cases scandium and zinc
What Boundary cases scandium and zinc means in Chemistry A-Level, as defined for OCR.
Definition of Boundary cases scandium and zinc
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Reference: OCR
Scandium does not qualify because Sc³⁺ is [Ar] 3d⁰, an empty d-sub-shell, and zinc does not qualify because Zn²⁺ is [Ar] 3d¹⁰, a complete d-sub-shell.
Topics that use Boundary cases scandium and zinc
- Transition elements (OCR A-Level)
Related terms
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- Balancing complex half-equations
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Using Boundary cases scandium and zinc in the exam
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