Question
Which of the following represents the correct electronic configurations of the element phosphorus?
Asked in RRB NTPC UG CBT 1 · 2026
Electronic Configuration · Chemistry
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Atomic radius generally decreases across a period and increases down a group.
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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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