Everything in the universe is made of matter. The Sun, rocks, plants, human beings and manufactured objects are all made of matter.
Matter is made up of tiny particles called atoms. Atoms are extremely small. They are invisible to the human eye.
There are approximately one hundred different types of atoms. When they are combined in different ways, they make up all the substances in the world.
- An element is matter which consists of only one type of atom.
- A compound is matter which consists of more than one kind of atom.
Matter is made up of tiny particles called atoms. Atoms are extremely small. They are invisible to the human eye.
There are approximately one hundred different types of atoms. When they are combined in different ways, they make up all the substances in the world.
- An element is matter which consists of only one type of atom.
- A compound is matter which consists of more than one kind of atom.
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