Introduction to Matter (Book)

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Types of Matter

Elements

An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earth’s crust. Figure below shows other examples of elements.

Still others are described in the video below.

(3:47)

Each of the elements described here has different uses because of its properties.