2) Atomic and Ionic Radius
1) Find configuration of elements
2) Drawing Diagrams
Atomic Radius:
generallyincreasedown each Group
-->nuclear charge increases
Why is the ion smaller than the atom?
(because the outer shell has been removed)
(fewer shells but have the same nuclear charge)
Cations and Anions
-as the atomic number increases (increased
nuclearcharge)
-same shielding (as electron are in the same
shell)
-The nuclear attraction increases because of the
pull of the nuclei on the electrons which results
in smaller atoms.