- Isoelectronic species have the same electron configuration. - The number of electrons in an ion is calculated by subtracting the charge from the number of protons (atomic number).
A species that is not isoelectronic with $^{35} _{17}$Cl$^-$ is
Asked in UPSC Geoscientist 2022 · Topic: Atomic Structure (Electronic Configurations of Multi-electron Atoms and Ions)
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