Question

6) Element
K Na Rb Cs Li
Atomic radius (pm) 231 186 244 262 151
i) Arrange the above elements vertically downwards in an increasing
order of atomic radii.
ii) Which of the above elements have the biggest and the smallest atom?
iii) What is the periodic trend observed in the variation of atomic radii
down a group?​

Answer 1

Answer:

i) Li<Na<K<Rb<Cs

ii)Cs is the biggest and Li is the smallest

iii) Atomic radius increases down the group as no. of shell increases..

Explanation:

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