Correct order of atomic radius is:-

V > T i

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C l > S

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R b > C s

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N e > B e

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Solution

The correct option is C $R b > C s$
Atomic radius increases while moving down to the group in the periodic table. Therefore, size of Rb > size of Cs. Atomic radius of element decreases while moving left to right in the periodic table.

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Similar questions

The correct arrangement of increasing order of atomic radius among Na, K, Mg, Rb is:

Arrange the following as per instructions given in the brackets.

(a) Mg. Cl, Na, S, Si (decreasing order of atomic size)

(b) Cs, Na, Li, K, Rb (increasing metallic character)

(d) Cl, F, Br, I (increasing electron affinity)

(e) Cs, Na, Li, K, Rb (decreasing electronegativity)

The correct arrangement of increasing order of atomic radius among Na, K, Mg, Rb is:

N a - L i = x, R b - K = y, F r - C s = z

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