ELEMENTS, COMPOUNDS AND

MIXTURESDone by: Sara Al-Khater

7DScience

What is an element

The element is a substance that is made out from one type of atoms.

element is a pure substance that cannot be broken down into any simpler substances by chemical methods.

Some elements: Iron (Fe) Gold (Au) Hydrogen (H) Carbon (C) Oxygen (O) Helium (He)

Pictures of elements

What is a Compound

A compound is made up of two or more types of elements (e.g. water and carbon dioxide) that are chemically combined in a set ratio. They cannot be broken down into two or more simpler substances.

These are some compounds: Water (H2O) Carbon dioxide (CO2) Ammonia (NH3) Methane (CH4) Glucose (C6H12O6)

Pictures of compounds

What are mixtures

A mixture is what you get when you combine two substances in such a way that no chemical reaction occurs between the components and you can separate them again.

These are some mixtures: sand and water salt and water sugar and salt

Pictures of mixtures

What is a periodic table

The periodic table is a tabular display of the Chemical elements are organized configurations, and chemical properties. Elements are presented in increasing atomic number. The main body of the table grid is 18×7.

Pictures of a periodic table

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