Lewis Structures & Covalent Bond

Front

What is a Lewis Structure?

Back

A Lewis Structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to form bonds in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Front

What is a single bond?

Back

A single bond is a covalent bond where one pair of electrons is shared between two atoms.

Front

What is a double bond?

Back

A double bond is a covalent bond where two pairs of electrons are shared between two atoms.

Front

What is a triple bond?

Back

A triple bond is a covalent bond where three pairs of electrons are shared between two atoms.

Front

How many valence electrons do most elements need to be stable?

Back

Most elements need 8 valence electrons to be stable, according to the octet rule.

Front

What is the formula for silicon tetrafluoride?

Back

The formula for silicon tetrafluoride is SiF₄.

Front

What is the formula for ammonia?

Back

The formula for ammonia is NH₃.

Front

What is a lone pair of electrons?

Back

A lone pair of electrons is a pair of valence electrons that are not shared with another atom.