Solution: The elements in question are all members of the same group and are sorted from left to right. As a result, their atomic radii are increasing in order of magnitude.
a)Li>Be>F>N
b) Cl>Br>I>At
Solution: The elements in question are all members of the same group and are sorted from left to right. As a result, their atomic radii are increasing in order of magnitude.
a)Li>Be>F>N
b) Cl>Br>I>At