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Anything that takes up space and has mass
-Three states of matter
(1) Solid
(2) Liquid
(3) Gass |
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| one kind of atom *represented by a symbol of one or two letters e.g NA (Sodium) |
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| 2 or more elements chemically bonded |
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| Two or more elements chemically bonded |
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| positive electrical charge |
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Top number
Number of protons and neutrons |
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2 types
(1) solutions
(2) suspension
Molecules are physically together, not chemically |
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| Atoms bond together so they have a full outer orbit |
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associated with living things
4 types
(1) Carbs
(2) Lipids
(3) Protein
(4) nucleic acids
e.g Carbon and Hydrogen |
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Made from elements other than carbon
-needed by other living things |
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