Trends in the Periodic Table:


For the Property: Fluorine is:  Francium is:
Atomic Radius     
Electronegativity    
Electropositivity    
Negative Ionic Radius   XXXXXXXXXXXXXXXXX
Positive Ionic Radius XXXXXXXXXXXXXXXXX  
Ionization Energy    
Electron Affinity    

Peaks of Stability in order of importance:

fill  p > fill  s ~ half fill p > fill d


Exercise for the Trends in the Periodic Table

Atomic Radius:
Which has the largest atomic radius, Fr or F
Which has the largest atomic radius, S or O
Which has the largest atomic radius, Mg or S
Which has the smallest atomic radius, Zn or Ba
Which has the smallest atomic radius, N or Ge
 

Electronegativity:
Which is the most electronegative, Fr or F
Which is the most electronegative, O or F
Which is the most electronegative, Si or Mg
Which is the least electronegative, Al or In
Which is the least electronegative, Cl or S

Electropositivity:
Which is the most electropositive, Fr or F
Which is the most electropositive, Te or Se
Which is the most electropositive, Br or F
Which is the least electropositive, Ra or Al
Which is the least electropositive, Ca or Be

Ionic Radius:
Which has the greatest ionic radius, Al3+ or Fr+
Which has the greatest ionic radius, As3- or F-
Which has the greatest ionic radius, Cl- or F-
Which has the greatest ionic radius, O2- or F-
Which has the smallest ionic radius, Se2- or O2-
Which has the smallest ionic radius, Br- or Te2-
Which has the greatest ionic radius, Cs+ or K+
Which has the greatest ionic radius, Mg2+ or K+
Which has the smallest ionic radius, Ti4+ or Y3+
Which has the smallest ionic radius, Li+ or Be2+

Ionization Energy
Which has the highest ionization energy,  Fr or F
Which has the highest ionization energy,  C or N
Which has the highest ionization energy,  Sn or C
Which has the lowest ionization energy,  Rb or K
Which has the lowest ionization energy,  Rb or F

Electron Affinity (Greatest = most negative number)
Which has the greatest electron affinity, Fr or F
Which has the greatest electron affinity, Sb or Br
Which has the greatest electron affinity, Hf or B
Which has the least electron affinity, As or S
Which has the least electron affinity, Te or O