Using the chemical formulae alone, how can you differentiate between Type I Ionic, Type II Ionic, Type III Ionic, and Covalent compounds?

Explanation:

Type I

These are compounds in which the cation (metal ion) has a fixed charge.

Examples are;

MgO. NaCl

Type II

These are ionic compounds in which the cation (metal ion) has a variable charge.

Examples are;

FeCl3, PbS2

Type III

These are covalent molecules with no cation.

Examples are;

SO3, N2O5

8 carbon atoms forming single bonds with 18 hydrogen atoms; a triple bond exists between the third and fourth carbon atom from the right

explanation:

since electrons are negative the answer is neagtaive