Matter Review

A mixture that contains two or more different elements that are not chemically combined. Example: A mixture of iron and sulfur.

A substance formed when two or more elements are chemically bonded together. Example: Sodium chloride (NaCl).

A mixture that has a uniform composition throughout. Example: Saltwater.

A mixture that consists of visibly different substances or phases. Example: Italian salad dressing.

A pure substance that cannot be broken down into simpler substances by chemical means. Example: Oxygen (O).

A compound is a substance formed from two or more elements chemically bonded, while a mixture is a combination of two or more substances that retain their individual properties.

A material that has a constant composition and consistent properties throughout. Example: Distilled water.

In a chemical reaction, mass is neither created nor destroyed; it is conserved.

A change that results in the formation of new chemical substances. Example: Rusting of iron.

A change that affects one or more physical properties of a substance without altering its chemical composition. Example: Melting ice.