Which of the following naming rules would apply to caco 3? question 3 options: polyatomic cation + nonmetal anion(–ide) metal + polyatomic anion metal cation + (roman numeral valence) + nonmetal anion(–ide) metal cation + nonmetal anion(–ide)

The correct option is Metal + polyatomic anion.The name will be 'Calcium carbonate'.

Solution:

Salts name is made up two parts:

So,the name of is calcium carbonate.Here,metal ion in the salt is calcium metal and the anion is polyatomic carbonate ion.