Unit 5 Review Chemistry 2024

Front

What is the name of Na₂S?

Back

Sodium sulfide.

Front

What two types of atoms make a covalent bond?

Back

Two nonmetals.

Front

How are ionic bonds formed?

Back

By the transfer of electrons.

Front

Which of the following is a molecular compound? SO₂, K₂O, CaO, BeO

Back

SO₂.

Front

Atoms are most stable when their outer shell is complete. True or False?

Back

True.

Front

What is a covalent bond?

Back

A bond formed by the sharing of electrons between two nonmetals.

Front

What is an ionic bond?

Back

A bond formed by the transfer of electrons from one atom to another.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell.

Front

What is a molecular compound?

Back

A compound formed from two or more nonmetals.

Front

What is the difference between a molecular compound and an ionic compound?

Back

Molecular compounds are formed by covalent bonds, while ionic compounds are formed by ionic bonds.