Atoms, Elements, Compounds

a positively charged ion formed by losing electrons.

the process by which matter changes between solid, liquid, and gas

The force that holds atoms together in a compound.

A change that produces one or more new substances.

A symbolic representation of a chemical reaction using chemical formulas.

A combination of chemical symbols showing the types and numbers of atoms in a compound.

A process in which substances are transformed into new substances through the breaking and forming of chemical bonds.

A one- or two-letter abbreviation representing an element.

The pattern of separated substances produced during chromatography.

A technique used to separate the components of a mixture.