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BY MARCEL AND TIM Science. Atoms: The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule A very.

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Presentation on theme: "BY MARCEL AND TIM Science. Atoms: The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule A very."— Presentation transcript:

1 BY MARCEL AND TIM Science

2 Atoms: The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule A very small amount of something

3 Element Pure substance that cannot be seperated into simpler substances by chemical or physical means.

4 Molecule A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. Consists of two or more atoms of the same element, or different elements, that are chemically bound together.

5 Compound Is a pure substance composed of two or more different elements joined by chemical bonds. Made of elements in a specific ratio that is always the same. Can only be seperated by chemical means, not physical. Has a Chemical formula.

6 Mixture A substance made by mixing other substances together. Are a combination of two or more pure substances, that are not chemically combined. No chemical change takes place. Each item retains its properties in the mixture. Can be seperated physically.

7 Atom This is a atom.

8 Element table2.gif table2.gif This is the Periodic Table of Elements.It consists of many Elements.

9 Molecule ,1/stock-photo-water-molecule-chart-science-symbol-oxygen-hydrogen- h-o jpg ,1/stock-photo-water-molecule-chart-science-symbol-oxygen-hydrogen- h-o jpg This is a water molecule.

10 Compound Cp04JPsZOps/Tb5fE8GAIPI/AAAAAAAAACI/9735uUAMcr8/s1600/molecule s%255B1%255D.jpg Cp04JPsZOps/Tb5fE8GAIPI/AAAAAAAAACI/9735uUAMcr8/s1600/molecule s%255B1%255D.jpg These are some compounds.

11 Mixture Tap water is a mixture and distilled water is not a mixture.


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