In this module, you will learn:
- what is a compound?
- examples of compounds
Resources to help you:
- Textbook: page 61 and 62
- Notebook: page 28 and 29
Watch the video
Learn how elements and compounds are different
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Table salt is made from a compound called sodium chloride
Credit: @orcearo via Twenty20
A compound is a substance that is made of two or more elements chemically combined.
Compounds do not have the same properties as the elements they are made of.
different from their elements
Table salt, or sodium chloride is a compound. It is made of two different elements, sodium and chlorine.
Salt is safe for us to eat, and we use it to season our food.
Let's look at the elements that make up the salt that we eat.
Below are some examples of common compounds and their elements:
carbon dioxide is a compound made from the elements carbon and oxygen
water is a compound made from the elements hydrogen and oxygen
sugar is a compound made from the elements carbon, hydrogen and oxygen
Water is made of elements of hydrogen and oxygen
Credit:@Wandeaw via Twenty20
Ready for the next module?
In the next module, we will look at mixtures.