4. Question numbers 4(a)-4(d) are based on the variation in the atomic radii of first group elements given below. Study and answer the questions that follow.Group 1 Elements: Na Li Rb Cs KAtomic radii (pm): 186 152 244 262 231(a) Arrange them in proper order as in the Periodic table of group 1. Name the elementswhich have the smallest and the largest atoms.(B) Why is the size of the atom increases on going down in a group?(C) Which element of group 1 is most reactive and why?(d) Which element of group 1 is most metallic and why?

4. Question numbers 4(a)-4(d) are based on the variation in the atomic

1.	4. Question numbers 4(a)-4(d) are based on the variation in the atomic radii of first group elements given below. Study and answer the questions that follow.Group 1 Elements: Na Li Rb Cs KAtomic radii (pm): 186 152 244 262 231(a) Arrange them in proper order as in the Periodic table of group 1. Name the elementswhich have the smallest and the largest atoms.(B) Why is the size of the atom increases on going down in a group?(C) Which element of group 1 is most reactive and why?(d) Which element of group 1 is most metallic and why?
Answer» such a BIG QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! i did not under standExplanation:

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