Chemistry A-Level
Configuration of d-block cations
What Configuration of d-block cations means in Chemistry A-Level, as defined for OCR.
Definition of Configuration of d-block cations
Check what you remember
Read the wording for your board, then hide it and explain Configuration of d-block cations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Remove electrons from the highest-energy occupied shell first, which for d-block cations means losing 4s electrons before 3d electrons.
Topics that use Configuration of d-block cations
- Transition elements (OCR A-Level)
Related terms
- Balanced ionic equations for precipitation
- Balancing complex half-equations
- bidentate ligands
- Bidentate ligands giving octahedral complexes
- Bond angles and shape prediction
- Boundary cases scandium and zinc
- Calculating oxidation state from a formula
- Catalytic behaviour of transition metals and their compounds
Using Configuration of d-block cations in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge