The ionic radius _____________ on moving down the group 2.

Define ionic radius.

Ionic radii are

Which one of the following does not increase while moving down a group of the periodic table?

On moving down the group, the radius of an ion

How do the following change ? (a) Number of shells of elements as we go down a group. (b) Number of valence electrons of elements on moving from, left to right in a period. (c ) Atomic radius in moving from left to right along a period. (d) Atomic size down a group.

How does atomic and ionic radii changes with in the group - 16 elements?