Question

Elerncnts Na Li Rb Cs K

Atomic radii (PM) 186 r52 244 262 231

i) arrange thcse elcmcnts in asccnding ordcr and find out srnallcst Andy largcst atoms

ii) how does the atomicc size varyy S logo down a group ?​

Answer 1

1. Ascending order:- Li Na K Rb Cs

Smallest atom - Li

Largest atom- Cs

2. The atomic size goes on increasing while going down a group .

Answer 2

I) Li<Na<K<Rb<Cs

ii) Down a group, atomic size increases