Covalent TEST REVIEW

Front

What is a lone pair?

Back

A pair of non-bonding electrons.

Front

What is the smallest unit of a covalently bonded compound?

Back

A molecule.

Front

According to the octet rule, how many valence electrons do most elements need?

Back

8 valence electrons.

Front

What does VSEPR theory predict?

Back

Molecular shape.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electron pairs between atoms.

Front

Define electronegativity.

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

What is a polar covalent bond?

Back

A covalent bond in which the electrons are not shared equally between the two atoms.

Front

What is the significance of the octet rule in covalent bonding?

Back

It states that atoms tend to bond in such a way that they have eight electrons in their valence shell.

Front

What is a double bond?

Back

A type of covalent bond where two pairs of electrons are shared between two atoms.

Front

What is a Lewis Dot Structure?

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons.