Atoms, Compounds, Elements, and Molecules

Front

Any combination of two or more atoms that are chemically combined is called this.

Back

Molecule

Front

The basic building blocks of the universe. The smallest and most pure substances that can be found.

Back

Elements

Front

This is where electrons hang out--it goes around the nucleus of an atom.

Back

Electron cloud

Front

This is the smallest unit of an element.

Back

Atom

Front

This is a one or two letter representation of each element that is generally close to the element's name. The first letter of this will ALWAYS be capitalized.

Back

Chemical symbol

Front

A substance made of two or more different types of atoms that are chemically bonded together.

Back

Compound

Front

The center of an atom, containing protons and neutrons.

Back

Nucleus

Front

The negatively charged particles that orbit the nucleus of an atom.

Back

Electrons

Front

The positively charged particles found in the nucleus of an atom.

Back

Protons

Front

The neutral particles found in the nucleus of an atom.

Back

Neutrons