Chemistry Vocab
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each of the black spaces below before clicking
on it to display the answer.
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| Acetic Acid | any of a number of molecules whose pH in water is below 7
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| Acid base indicator | a dye that changes color when pH changes
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| acid base reaction | a particular type of exchange reaction in which an acid neutralizes a base
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| Acid indigustion | stomach pain caused by extra hydrocloric acid
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| adenine | one of the four nucleic acid bases that make DNA
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| alanine | an amino acid
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| alkali metals | the group of elements in the far left hand column of the periodic table
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| alkaline earth matals | the group of elements in the column just to the right of the alkali metals
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| Amine group | two hydrogen atoms connected to a nitrogen atom which is connected to another molecule
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| Amino acid | a molecule with a central carbon atom that has a carboxylic acid group, an amine group, and an R group attached to it
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| Amylase | the protein in saliva that breaks down any amylose into individual sugar (glucose) molecules
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| Amylopectin | a starch that is a common branched polysaccharide found in plants
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| Amylose | A common unbranched polysaccharide starch found in plants
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| Antacid | A substance that neutralizes stomach acid to reduce the pain of indigustion
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| Atom | the fundamental unit of all matter; co posed of protons,neutrons, and electrons
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| Atomic numbr | the number of protons in an atom's nucleus; in the periodic table it appears in the upper left hand corner near the atomic symbol for the element
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| Atomic weight | The combined weight of an atom's protons and neutrons; in the periodic table it is found below the symbol of the element
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| Axis | The main vertical or horizontal line on a plot
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| Baking Soda | Sodium Bicarbinate
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| base | any of a number of molecules whose pH in water is above 7
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| Bond | The attachment between two atoms in a molecule; a chemical bond can be either covalent or ionic
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| Carbohydrate | Any of a variety of compounds that are made of carbon and water
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| Carbonyl group | a carbon atom that is double bonded to an oxygen atom
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| Carboxylic acid group | a carbon atom with two oxygen atoms and a hydrogen atom attached
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| cellulose | the polysaccharide that is the main structural molecule in plants
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| charged | a molecule that had a positive or negative electric charge
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| chemical elements | the atoms that make up living and nonliving things
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| Chemical properties | the internal structures of elements that become evident during chemical reactions
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| Chemistry | the field of science that studies the composition, structure and properties of matter
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| chromatography | a method for separating mixtures by passing a solution over a solid film or powder
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| citric acid | an acid found in various fruits including grapefruit and orange
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| Combination reaction | a type of chemical reaction in which two or more molecules combine with each other to make a new molecule
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| Concentrated solution | a solution containing many molecules of the dissolved substance in a given volume
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| Covalent bond | the attachment formed when two atoms are joined together and share their electrons
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| crosslink | the links between two long chain polymer molecules
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| crystal violet | an acid based indicator
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| cytosine | one of the four nucleic bases that make up DNA
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| DNA | (deoxyribonucleic acid)A polymer made up of ribose sugers and the four nucleic acid bases that carry the genetic code (A,T,C,G)
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| DNA polymerase | the protein inside a cell that copies DNA
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| Decomposition Reaction | a type of chemical reaction in which a molecule breaks apart into two or more molecules
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| dilute | a solution containing few molecules of the dissolved substance per unit volume
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