13.Images

Covalent Radius

Second Period  

Group I

 Group II

Group IV

Group VII

 Third Period

Electronegativity:

GroupI

Group II

Group IV

Group VII

Second Period

Third Period 

Electron Affinity:

Group I

Group II

Group IV

Group VII

Second Period

Third  Period

Melting Point:

Group I 

Group II

                                              Group IV

      
                                            Group VII

Second Period 

Third Period