Molecules and Compounds

These flashcards cover essential vocabulary related to molecules and compounds, including definitions of chemical bonds, formulas, and related concepts.

Molecule

A group of two or more atoms bonded together.

Compound

A substance formed when two or more different elements are chemically bonded together.

Ionic Bond

A type of chemical bond formed through the transfer of electrons from one atom to another.

Covalent Bond

A type of chemical bond formed by the sharing of electrons between two atoms.

Chemical Formula

A way of representing a compound that shows the types and numbers of atoms in it.

Lewis Structure

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

Empirical Formula

A formula that gives the simplest whole-number ratio of the elements in a compound.

Molecular Formula

A formula that specifies the actual number of atoms of each element in a molecule of a compound.

Lattice Energy

The energy released when a solid ionic compound forms from gaseous ions.

Hydrate

An ionic compound that contains water molecules within its structure.