Question
An element with atomic number 87 belongs to which block of periodic table?
Asked in HTET PGT Chemistry · 2025
Periodic Table · Chemistry
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Atomic radius generally decreases across a period and increases down a group.
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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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