Binary Ionic and Covalent Names and Formulas

When will prefixes like (mono, di, tri..etc) be used in a name? (Select all that are true)

• When the compound is ionic.

• When the compound has a metal and a nonmetal.

• When the compound is covalent.

• When the compound has two different nonmetals.

When will a roman numeral be used in a chemical name?

• When you have a metal and a nonmetal.

• When the compound has a metal that has variable charge. (Most transition metals, Sn and Pb)

• When the compound is ionic.

• When you have more than one metal.

MgCl₂

• magnesium chloride

• magnesium dichloride

• magnesium (II) chloride

• manganese chloride

N₂O

• nitrogen oxide

• dinitrogen oxide

• dinitrogen monoxide

• nitrogen (II) oxide

Na₂S

• disodium monosulfide

• sodium sulfide

• disodium sulfide

• sodium (II) sulfide

What would the names of all the compounds have in common: CaF₂, TiO₂, SCl₂

• They would all use "di" on the second element.

• They would all have a roman numeral.

• They would all have "mono" on the first element.

• They would all have "ide" endings on the second element.

Copper (II) Chloride

• Cu₂Cl

• CuCl₂

• Co₂Cl

• CoCl₂

tetracarbon octahydride

• C₃O₈

• C₄H₈

• C₃H₆

• C₅H₈

Aluminum Oxide

• AlO

• Al₃O₂

• Al₂O₃

• Al (III) O

potassium sulfide

• PS

• KS

• K₂S

• KS₂