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Science Unit 2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Deffinition
Word
a substance formed by the chemical combination of 2 or more elements in specific porportions   show
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show lipids  
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show polysaccharide  
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atoms of the same element that differ in the number of neutrons they contain   show
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show suspension  
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negative charge/small mass   show
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show disaccharide  
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show monosaccharide  
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show polysaturated fats  
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show hydrolysis  
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compound consisting of a chain of carbon atoms with an acid group at one end   show
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material of 2 or more comounds/elements that are physically mixed together but arent chemicaly combined   show
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type of minture in which all the compunds are evenly distributed   show
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form in which matter exists   show
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show dehydration syntesis  
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show anion  
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show volume  
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show mass number  
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molecules formed by linking two or more monomers   show
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show ploymerization  
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lipids that contain phosphorous   show
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show base  
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is the smallest unit of most compounds that displays all of the properties of that compound   show
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show acid  
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measurement system used to indicate the concentration of hydrogen ions in a solution   show
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show cation  
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compounds composed of a carbon, hydrogen, and oxygen (2:1:1 ratio)   show
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contains one dounle bond between carbons   show
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type of bond between atoms in which electrons are shared instead of being transmitted   show
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show fats  
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show buffer  
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show mass  
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show density  
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contain only single bonds wit between carbons   show
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positive charged/large mass   show
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anything that occupies space and has mass   show
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show neutron  
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show nucleus  
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show organic compound  
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show monomer  
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show solute  
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show element  
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does the dissolving   show
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show atomic mass  
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chemical bond formed when one or more electrons are transferred from one atom to another   show
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show nucleic acids  
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show nucleotide  
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macromolecules containing nitrogen as well as carbon, hydrogen, oxygen, and sometimes sulfur   show
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compound that contains an amino group (NH2) on end, a carboxyl group (COOH) on the other, and a side group   show
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show peptide bond  
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show chemical reaction  
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show reactants  
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show products  
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chemical reaction in which energy is absorbed (will be cold, ex. Cold Pack)   show
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show exothermic reaction  
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substance that speeds up the rate of a chemical reaction; unchanged by the reaction   show
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protein catalyst that speeds up the rate of specific biological reactions; speed up chemical reactions that take place in cells;Very specific, generally catalyzing only one chemical reaction   show
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show substrate  
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show heat capacity  
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weak attraction between a hydrogen atom and another atom   show
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attraction between molecules of the same substance   show
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show adhesion  
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number of protons in an element (number at the top)   show
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show most common elements in living things;Carbon Hydrogen Oxygen Nitrogen Phosphorous Sulfur  
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show weak  
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acid thats close to 1   show
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base thats close to 7   show
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base thats close to 1   show
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if a atom loses electrons it becomes ____ charged   show
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show negatively  
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a pH of 0-7 is   show
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show neutral  
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a pH of 7-14 is   show
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show carbohydrates, lipids, nucleic acids, and proteins  
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show oControl the rate of reactions oRegulate cell processes oForm important cellular structures oTransport substances into or out of cells oHelp fight disease  
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if a work ends in -ose it is a   show
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if a work ends in -ase it is a   show
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