Respuesta :

Answer:

Explanation:

IONIC-                                                                  

metal & nonmental                                                                                                    

1st word doesn't start with "mono"              

2nd word can end in "-ate or -ite" (Polyatomic ions)  

May need roman numerals  

Reduce charges when writing formula

COVALENT-

2 non-metals

Names uses prefixes

2nd word can end in - ide

BOTH-

2nd element is a non-metal