Unit 4 Test Review

Front

What is the shape of H₂O?

Back

The shape of H₂O (water) is bent.

Front

What is the name of the ionic compound BeCl₂?

Back

The name of the ionic compound BeCl₂ is beryllium chloride.

Front

What is the correct name for P₃Cl₆?

Back

The correct name for P₃Cl₆ is Triphosphorous hexachloride.

Front

What is the correct formula for lithium oxide?

Back

The correct formula for lithium oxide is Li₂O.

Front

True or false: When naming ionic compounds, use prefixes to indicate subscripts.

Back

False. Prefixes are not used in naming ionic compounds.

Front

Define ionic compound.

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is a molecular compound?

Back

A molecular compound is a chemical compound whose simplest units are molecules, formed by covalent bonds.

Front

What is the formula for sodium chloride?

Back

The formula for sodium chloride is NaCl.