10. Periodic Properties of the Elements

Arrange the following atoms and/or ions in the order of increasing size:Br ^–, Kr, Rb⁺, Sr²⁺.

For an isoelectronic series of ions, the ion that is the smallest is always 

When electrons are added to the outermost shell of a carbon atom, it forms

Which ion has the largest radius Br^- Cl^- F^- I^-

Arrange the following isoelectronic series in order of decreasing radius: F^–, O^2– , Mg²⁺, Na⁺.