which of these elements has minimum atomic radius
a. lithium atomic no 3
b. sodium atomic no 11
c.potassium atomic no 19
d. flourine atomic no. 9
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flourine with atomic no 9 thats is option d
rehanlakhani:
can u prove for me plz.
at. radius increase with addition of shell, that is going down the group, at. radius decreas as we go from left to right of the same group so litium and flourine r in the same group, flourine is in the right so it will have less at. radius, it is due to attraction of electrons of flourine is more than that of litium
basically saying that flourine and litu=ium r in same group and flourine has more electrons so attraction is more i flourine
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