Lewis Diagram Basics

Atoms tend to gain, lose, or share electrons in order to have a full inner shell with eight electrons.

Atoms tend to gain, lose, or share electrons in order to have a full outer shell with six electrons.

Atoms tend to gain, lose, or share electrons in order to have a full outer shell with four electrons.

Atoms tend to gain, lose, or share electrons in order to have a full outer shell with eight electrons.

A compound composed of metallic bonds

A compound composed of hydrogen bonds

A chemical compound composed of ions held together by electrostatic forces.

A compound composed of covalent bonds

iron chloride

iron (II) chloride

iron (I) chloride

iron dichloride

It shows the arrangement of atoms and their valence electrons to give octets.

It shows only the atomic symbols without electrons.

It shows the physical shape of the molecule.

It shows the number of protons in each atom.

Bonding pairs are shared electrons between atoms, while lone pairs are nonbonding electrons placed outside the atoms.

Bonding pairs are nonbonding electrons placed outside the atoms, while lone pairs are shared electrons between atoms.

Bonding pairs and lone pairs are both shared electrons between atoms.

Bonding pairs are only found in ionic compounds, while lone pairs are found in covalent compounds.