Answer is B- F has a smaller radius than F− because an additional electron causes greater repulsion in F− is the correct choice and the nuclear charge the radius of the anion increases.
Explanation: I hoped that helped!
The answer is B....Brainliest?....
See here question has answer in itself
The structural isomerism starts always from but word root .
So butane has one and most among all as rest three have none .
The two isomers are
