Question 1
Which statement explains why anions typically have larger radii than their parent neutral atoms?
Question 2
Which statement explains why cations are smaller than their parent neutral atoms?
Question 3
Arrange the following isoelectronic species in order of decreasing ionic radius: $O^{2-}$, $F^{-}$, Ne, $Na^{+}$
Question 4
Between the isoelectronic ions $Ca^{2+}$ and $K^{+}$, which has the smaller ionic radius and why?
Question 5
Which pair of species is NOT isoelectronic?
