Chemistry A-Level
Ion electron configurations
What Ion electron configurations means in Chemistry A-Level, as defined for OCR.
Definition of Ion electron configurations
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Reference: OCR
Deduced by adding or removing electrons, noting that 4s electrons are removed before 3d when transition-metal cations form.
Topics that use Ion electron configurations
- Electron structure (OCR A-Level)
Related terms
- Atomic orbital
- Atomic orbitals
- Cations lose electrons, anions gain electrons
- Distinguishing capacity from filling order
- Electron capacity of s-, p- and d-sub-shells
- Electron configuration
- Fixed number of orbitals per sub-shell
- Noble-gas shorthand
Using Ion electron configurations in the exam
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