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Particulate View of Water Bell Ringer : Please respond on your sheet!
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Atoms All matter is composed of atoms. Atoms are often called the building blocks at matter
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Element Matter that is made up of only one kind of atom
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Is water an element? No, water contains two different elements – hydrogen and oxygen
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Compound A substance is composed of the atoms of two or more different elements joined together chemically Scientists have identified more than 24 million compounds ******SO IS WATER A COMPOUND?
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Water = H 2 0 Table Salt = NaCl Ammonia = NH 3 Baking Soda = NaHCO 3 Chalk = CaCO 3 Octane = C 8 H 18 *** Are these elements or compounds?
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Molecule The smallest unit of a compound that retains the properties of a substance VS.
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Atoms H Molecules H 2 (Diatomic)
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Atoms O Molecules H20H20 ***MAKE SURE YOU COLOR CODE YOUR ATOMS – USE MARKERS AT TABLE
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Atoms N Molecules NH 3 ***MAKE SURE YOU COLOR CODE YOUR ATOMS – USE MARKERS AT TABLE
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Molecules in Motion… Watch the awesome video about molecules in motion! http://www.teachertube.com/viewVideo.php?video_id=536&title=Molecules_in_Motion
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