Chemistry Review 1

Front

How many covalent bonds can carbon (atomic number 6) make?

Back

Carbon can make 4 covalent bonds.

Front

What is anything that has mass and takes up space?

Back

Matter.

Front

In a __________ covalent bond, one pair of electrons is shared.

Back

Single.

Front

What forms when valence electrons are transferred from one atom to another, forming charged ions that are then pulled together by attraction between opposite charges?

Back

An ionic bond.

Front

What forms when pairs of electrons are shared between two atoms?

Back

Covalent bonds.

Front

What is the term for the ability of an atom to attract electrons in a bond?

Back

Electronegativity.

Front

What type of bond involves the complete transfer of electrons from one atom to another?

Back

Ionic bond.

Front

What type of bond involves sharing of electrons between atoms?

Back

Covalent bond.

Front

What is the difference between polar and nonpolar covalent bonds?

Back

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

Front

What is a molecule?

Back

A molecule is a group of atoms bonded together.