1st semester final review #5: Ionic vs Molecular Compounds

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. They typically form between metals and nonmetals.

Front

What is a molecular compound?

Back

A molecular compound is a chemical compound where atoms are bonded together by covalent bonds. They usually form between nonmetals.

Front

How do you name ionic compounds?

Back

Ionic compounds are named by stating the name of the metal (cation) first, followed by the name of the nonmetal (anion) with its ending changed to '-ide'.

Front

How do you name molecular compounds?

Back

Molecular compounds are named using prefixes to indicate the number of atoms of each element present, followed by the name of the first element and the second element with its ending changed to '-ide'.

Front

What is the prefix for 4 in molecular compound naming?

Back

The prefix for 4 is 'tetra-'.

Front

What is the prefix for 5 in molecular compound naming?

Back

The prefix for 5 is 'penta-'.

Front

What is the formula for sulfur trioxide?

Back

The formula for sulfur trioxide is SO₃.

Front

What is the formula for diphosphorus tetrachloride?

Back

The formula for diphosphorus tetrachloride is P₂Cl₄.

Front

What is the formula for tetraphosphorus decasulfide?

Back

The formula for tetraphosphorus decasulfide is P₄S₁₀.

Front

What is the significance of subscripts in chemical formulas?

Back

Subscripts indicate the number of atoms of each element in a compound. For example, in H₂O, the '2' indicates there are two hydrogen atoms.