Elements, Compounds, Mixtures

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include oxygen, hydrogen, and gold.

A compound is a substance formed when two or more elements are chemically bonded together. An example is water (H2O), which is made of hydrogen and oxygen.

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties. An example is a salad.

A compound is made of two or more elements chemically combined, while a mixture is made of two or more substances that are physically combined.

You create a mixture, as both fruits retain their individual properties.

NaHCO3 is the chemical formula for sodium bicarbonate, which is a compound.

An example of a mixture is air, which contains various gases like nitrogen, oxygen, and carbon dioxide.

In a diagram, a mixture is represented by different colored circles that are not bonded together.

Yes, mixtures can be separated into their individual components by physical means, such as filtration or evaporation.

The main characteristic of an element is that it consists of only one type of atom.