Question
The effective nuclear charge experienced by the 4s electron of potassium iĆ:
Asked in HTET PGT Chemistry · 2025
Periodicity In Properties · Chemistry
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Elements in the same group often have similar valence-electron configurations.
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Questions Asked from Modern Periodic Table: Groups, Periods & Blocks in Previous Exams
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Modern Periodic Table: Groups, Periods & Blocks has appeared in 43 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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