Which is the best argument for why CO2 represents a covalent bond?
A:The difference in electronegativity of the two elements is greater than 1.7.
B:The difference in electronegativity of the two elements is less than 1.7.
C:The difference in electronegativity of the two elements is greater than 1.7 but less than 3.0.
D:The difference in electronegativity of the two elements is zero.
