Structure of Matter

Front

Atom

Back

The smallest particle of an element; made of electrons, protons, and neutrons.

Front

Matter

Back

Anything that has volume and mass

Front

Molecule

Back

The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.

Front

Pure Substance

Back

A single substance, either an element or a compound, with definite composition and properties.

Front

Subscript

Back

A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.

Front

Compound

Back

A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction.

Front

Electron

Back

Negatively Charged Particle outside the nucleus.

Front

Proton

Back

Positively charged particle found in the nucleus of an atom.

Front

Neutron

Back

Neutral particle found in the nucleus of an atom, having no charge.

Front

Element

Back

A pure substance consisting of only one type of atom.