On going down a main sub-group in the periodic table (example $$Li$$ to $$Cs$$ in IA or $$Be$$ to $$Ra$$ in IIA), the expected trend of changes in atomic radius is a [CPMT 1981; NCERT 1979]

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TuteeHUB · Accepted Answer

Continuous decrease

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Continuous increase

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Periodic one, an increase followed by a decrease

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A decrease followed by increase

1.	On going down a main sub-group in the periodic table (example \[Li\] to \[Cs\] in IA or \[Be\] to \[Ra\] in IIA), the expected trend of changes in atomic radius is a [CPMT 1981; NCERT 1979]
A.	Continuous increase
B.	Continuous decrease
C.	Periodic one, an increase followed by a decrease
D.	A decrease followed by increase
Answer» B. Continuous decrease

On going down a main sub-group in the periodic table (example \[Li\] to \[Cs\] in IA or \[Be\] to \[Ra\] in IIA), the expected trend of changes in atomic radius is a [CPMT 1981; NCERT 1979]

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