Elements, Compounds, Mixtures

An element is a substance that cannot be broken down into any other substance by ordinary chemical means.

A compound is a substance made up of two or more chemically combined elements.

A mixture is formed when two or more substances are physically combined.

A pure substance has a uniform and definite composition, while a mixture contains two or more substances that retain their individual properties.

An element is a single type of atom, while a compound consists of two or more different types of atoms chemically bonded together.

Yes, mixtures can be separated by physical means such as filtration, distillation, or centrifugation.

A homogeneous mixture is a mixture that has a uniform composition throughout, such as saltwater.

A heterogeneous mixture is a mixture that does not have a uniform composition, such as a salad.

A pure substance is a material that has a constant composition and consistent properties throughout.

An example of an element is oxygen (O).