Elements All Elements are made from particles called atoms. Each element is made from a different type of atom. An atom is the smallest part of an element.

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Presentation transcript:

Elements All Elements are made from particles called atoms. Each element is made from a different type of atom. An atom is the smallest part of an element that can exist

Elements Examples of Elements gold silveraluminium carbon oxygen

Elements and Compounds Each element is made from a different type of atom. Carbon Oxygen Hydrogen Iron Sulphur

Elements and Compounds A compound is made up of two or more different types of atom combined together. CarbonOxygenCarbon Dioxide One atom of carbon combines with two of oxygen to form one molecule of Carbon Dioxide element Compound

Elements and Compounds A compound is made up of two or more different types of atom combined together. OxygenHydrogenWater One atom of oxygen combines with two of hydrogen to form one particle of the compound water element Compound

Compounds Compounds are made up of two or more elements which are chemically combined. Water Carbon Dioxide Methane

Compounds Each molecule of a compound is made up from the same combination of different atoms A water molecule always contains two atoms of Hydrogen and one atom of Oxygen A Carbon Dioxide molecule always contains two atoms of Oxygen and one atom of Carbon

Compounds Examples of Compounds Water Polythene Polystyrene Medicinescement

Mixtures A mixture is made up of different compounds or elements. There is no chemical bonding between the different parts of a mixture and they can usually be separated relatively easily by physical means. (filtering, boiling, freezing, condensing, etc)

Mixtures Examples of Mixtures coffee Fizzy drinks steel Crude oilink