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Chemistry. Chemistry is the science concerned with the composition, structure, and properties of matter.

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Presentation on theme: "Chemistry. Chemistry is the science concerned with the composition, structure, and properties of matter."— Presentation transcript:

1 Chemistry

2 Chemistry is the science concerned with the composition, structure, and properties of matter.

3 Atoms are the basic units in chemicals.

4 Atoms are made of subatomic particles. protons (+) neutrons (0) electrons (-)

5 An element is a pure substance made up of only one kind of atom. All matter is made up of elements.

6 Reading the Periodic Table

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8 Molecules atoms combine to form molecules, which can be pure elements or combinations of two or more elements. molecules are held together by chemical bonds.

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11 NaCl

12 NaCl in Solution

13 Covalent Bonds formed when atoms share electrons sharing can be unequal

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15 Chemical Reactions reactants products example: CO 2 + H 2 O  C 6 H 12 O 6 + O 2

16 Acids and Bases

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