Unit 5 Test. Name: Score: 37 / 37 points (100%)
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1 Name: Score: 37 / 37 points (100%) Unit 5 Test Matching (1 point each) Match each item with the correct statement below a activity series j product b chemical equation k reactant c coefficient l reduction d combustion m reducing agent e decomposition n reduction - oxidation reaction f double displacement reaction o single replacement reaction g oxidation number p spectator ion h oxidation q synthesis i oxidizing agent B 1 a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products ANSWER: B E 2 a reaction in which a single compound breaks down to form two or more simpler substances ANSWER: E A 3 a list of elements that have similar properties and that are arranged in descending order of chemical activity ANSWER: A K 4 a starting substance in a chemical reaction ANSWER: K P 5 ions that are present in a solution in which a reaction is taking place but that do not participate in the reaction 1/6
2 ANSWER: P G 6 the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form ANSWER: G I 7 the substance that gains electrons in an oxidation-reduction reaction and that is reduced ANSWER: I F 8 a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds ANSWER: F O 9 a reaction in which a free element replaces an element in a compound ANSWER: O D 10 the oxidation reaction of an organic compound, in which heat is released ANSWER: D C 11 a small whole number that appears as a factor in front of a formula in a chemical equation ANSWER: C J 12 a new substance formed in a chemical reaction ANSWER: J M 13 a substance that has a potential to reduce another substance 2/6
3 ANSWER: M N 14 any chemical change in which one species loses electrons and another species gains electrons ANSWER: N Q 15 a reaction in which two or more substances combine to form a new compound ANSWER: Q L 16 a chemical change in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons ANSWER: L H 17 a reaction that removes one or more electrons from a substance such that the substance s valence or oxidation state increases ANSWER: H a addition reaction k hydrolysis b alkane l monosaccharide c alkene m nucleic acid d alkyne n polymer e amino acid o polypeptide f carbohydrate p polysaccharide g condensation reaction q protein h disaccharide r saturated hydrocarbon i DNA s substitution reaction j elimination reaction t unsaturated hydrocarbon T 18 a hydrocarbon that has available bonds, usually from double or triple bonds with carbon ANSWER: T H 19 a sugar formed from two monosaccharides ANSWER: H O 20 a long chain of several amino acids 3/6
4 ANSWER: O F 21 an organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things ANSWER: F A 22 a reaction in which an atom or molecule is added to an unsaturated molecule ANSWER: A R 23 an organic compound formed only by carbon and hydrogen linked by single bonds ANSWER: R L 24 a simple sugar that is the basic subunit of a carbohydrate ANSWER: L Q 25 an organic compound that is made up of one or more chains of amino acids and that is a principal component of all cells ANSWER: Q N 26 a large molecule that is formed by more than five small units ANSWER: N S 27 a reaction in which one or more atoms replace another atom or group of atoms in a molecule ANSWER: S P 28 one of the carbohydrates made up of long chains of simple sugars and includes starch, cellulose, and glycogen ANSWER: P M 29 an organic compound whose molecules are made up of one or two chains of nucleotides and carry genetic information 4/6
5 ANSWER: M I 30 the material that contains the information that determines inherited characteristics ANSWER: I B 31 a hydrocarbon characterized by a straight or branched carbon chain that contains only single bonds ANSWER: B K 32 a chemical reaction between water and another substance to form two or more new substances ANSWER: K C 33 a hydrocarbon that contains one or more double bonds ANSWER: C G 34 a chemical reaction in which two or more molecules combine to produce water or another simple molecule ANSWER: G E 35 any one of 20 different organic molecules that contain a carboxyl and an amino group and that combine to form proteins ANSWER: E J 36 a reaction in which a simple molecule, such as water or ammonia, is removed and a new compound is produced ANSWER: J D 37 a hydrocarbon that contains one or more triple bonds ANSWER: D 5/6
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