Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.

Front

How many electrons are involved in a double bond?

Back

Two pairs of electrons.

Front

What is the chemical formula for dinitrogen tetroxide?

Back

N₂O₄.

Front

In a covalent bond, what happens to the electrons?

Back

Electrons are shared between atoms.

Front

What is the formula for ammonia?

Back

NH₃.

Front

How many covalent bonds does carbon need to make to complete its outer shell?

Back

4.

Front

What is a single bond?

Back

A single bond is a covalent bond that involves one pair of shared electrons.

Front

What is the difference between polar and nonpolar covalent bonds?

Back

Polar covalent bonds involve unequal sharing of electrons, while nonpolar covalent bonds involve equal sharing.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to form bonds until they are surrounded by eight valence electrons.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together by covalent bonds.