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Matter
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Anything that has weight & takes up space.
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Elements that make up 96% of body
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C, H, N, O
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Ions
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Atoms that lose or gain electrons becoming electrically charged
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Synthesis
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When 2 or more atoms join together to form a more complex structure or molecule
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Decomposition
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Bonds of a complex structure or molecule break and simpler atoms, molecules, ions form.
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Exchange Chemical Reaction
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2 diff. types of molecules trade positions
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Reversible Chemical Reaction
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A reaction characterized by the end product of the reaction changing back to the reactant
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Electrolytes
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Substances that release ions in water and can conduct an electrical current
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Acids
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An electrolyte that release H+ in water
e. lemon juice/stomach acid
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Bases
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An electrolyte that releases ions (usually OH-) that combine with H+ ions to form water ex. Baking soda, ammonia
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PH
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Pondus Hydrigenii (potential Hydrogen)
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Buffers
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Resist large changes in pH
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Organic
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Contains carbon & hydrogen
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Inorganic
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Water, Oxygen, Carbon Dioxide, and Salts
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Carbohydrates
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Source of energy required by cells. Needed to make ATP!
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