Matter and Chemical Substances Vocabulary

Flashcards covering definitions of basic chemistry and matter concepts, including solutions, pure and impure substances, elements, compounds, and chemical formula notation.

Solvent

A substance that dissolves another substance.

Solute

A substance that dissolves in a solvent.

Solution

A homogeneous mixture composed of two or more substances.

Atom

The basic unit of matter.

Molecule

A group of atoms bonded together.

Pure substance

A substance with a fixed composition (elements/compounds).

Impure substance

A physical blend of substances (mixture).

Coefficient

A large number in front; tells how many molecules.

Subscript

A small number behind; tells how many atoms.

Element

A pure substance made of only one type of atom and cannot be broken down.

Compound

A pure substance made of two or more different elements bonded together and chemically combined in a fixed ratio.

Mixture

A physical combination of two or more substances that keep their own properties.