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        | Anything that takes up space and has mass |  | 
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        | The simplest type of matter with certain chemical properties |  | 
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        | The simplest particles of an element that have the same properties as that element |  | 
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        | Elements such as Carbon, Oxygen, and Hydrogen that are required in large amounts |  | 
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        | Elements that are required in small amounts |  | 
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        | Elements that are required in very minute amounts |  | 
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        | A positively charged subatomic particle that is located in the nucleus of the atom |  | 
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        | A subatomic particle that contains no charge and is located in the nucleus of an atom |  | 
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        | A negatively charged subatomic particle that circles around the nucleus of an atom |  | 
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        | The center of an atom that is comprised of protons and neutrons |  | 
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        | The number of protons and neutrons in present in an atom |  | 
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        | The number of protons present in an atom |  | 
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        | An atom that has a different atomic weight due to the different number of neutrons |  | 
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        | Two or more atoms that are chemically combined |  | 
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        | Two or more atoms of different elements that are chemically combined |  | 
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        | The elements present and the number of each atom present in the molecule |  | 
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        | An atom that has gained or lost an electron to become unstable and electrically charged |  | 
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        | A positively charged atom that has lost an electron |  | 
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        | A negatively charged atom that has gained an electron |  | 
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        | A bond that occurs when atoms combine |  | 
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        | The orbiting pathways of electrons around an atom |  | 
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        | The strongest chemical bond where atoms will share electrons |  | 
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        | A decently strong chemical bond where the atoms will transfer electrons |  | 
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        | The weakest chemical bond that is polar and will always involve a Hydrogen atom |  | 
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        | A molecule where the chemical bonds have caused |  | 
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        | A formula that explains how atoms bond and are arranged in various molecules |  | 
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        | A bond created between two electrons |  | 
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        | A bond created between 4 electrons |  | 
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        | A solution that consists of two or more components that are physically intermixed |  | 
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        | A type of mixture where the solute particles are tiny, don't settle out, or scatter light |  | 
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        | A type of mixture where the solute particles are larger than in a solution and scatter light, but doesn't settle out |  | 
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        | A type of mixture where the solute particles are very large, settle out, and may scatter light |  | 
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        | The forming or breaking of chemical bonds |  | 
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        | The starting materials of a chemical reaction |  | 
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        | The result of a chemical reaction |  | 
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        | A reaction that forms a product with a more complex chemical structure than the reactant |  | 
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        | A reaction that forms a product or products with a simpler chemical structure than the reactant |  | 
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        | A reaction where the chemical bonds are broken and new bonds are formed |  | 
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        | A reaction where the products can change back to the reactants |  | 
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        | A reaction that will give off energy |  | 
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        | A reaction that will take up and store energy |  | 
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        | A substance that can conduct electrical currents and release ions in water |  | 
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        | A substance that will release hydrogen ions in water |  | 
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        | A substance that will release ions that can combine with hydrogen ions in water |  | 
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        | Substances that are formed by the reaction between an acid and a base |  | 
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        | A reaction that occurs when an acid and a base are mixed together |  | 
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        | A disorder that occurs when the blood pH drops to 7.3 - 7.0 |  | 
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        | A disorder that occurs when the blood pH rises to 7.5-7.8 |  | 
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        | The chemical bonds that holds Amino Acids together |  | 
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        | A type of protein that will help speed up chemical reactions |  | 
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        | The substance that is present in the greatest amount in a mixture |  | 
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        | The substance that is dissolved in the solvent to create a mixture |  | 
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        | Substances that will attach to an enzyme's Activation Site so that it can undergo a chemical reaction |  | 
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        | A place on the enzyme that has a unique shape so that it can accept a very specific substrate |  | 
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        | The inactivation of a protein by changing the shape through various means |  | 
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        | A series of enzyme-controlled reactions leading to the formation of a prodcut |  | 
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        | A substance that can help fold an enzyme's activation site into the proper shape or help bind the enzyme to the substrate |  | 
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        | An organic molecule that acts as a cofactor |  | 
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