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Chem Extra Credit

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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Term
Definition
Absolute Zero   -273 C  
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Acid-Base Indicator   A chemical that changes color according to the pH of a solution.  
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Cation   A positively charged ion.  
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Anion   A negatively charged ion.  
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Bond Energy   The energy required to break a given chemical bond.  
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Buffered Solution   A solution that resists a change in pH.  
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Colligative Property   A property that only depends on the number of solute particles present in solution.  
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Conjugate Acid-Base Pair   Two substances related to each other by the donating and accepting of a single proton.  
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Equivalent of an Acid   The amount of acid that can furnish one mole of hydrogen ions.  
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Equivalent of a Base   The amount of base that can furnish one mole of hydroxide ions.  
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Halogen   A group 7 element.  
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Heterogeneous Mixture   A mixture that has different properties in different regions of the mixture.  
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Homogeneous Mixture   A mixture that is the same throughout.  
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Ion   An atom or a group of atoms that has a positive or negative charge.  
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Ionic Bond   The attraction between oppositely charged ions.  
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Law of Conservation of Energy   Energy can be changed from one form to another but is neither created or destroyed.  
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Law of Conservation of Mass   Mass in not created or destroyed.  
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Lewis Structure   A representation of a molecule or poly-atomic ion showing how valence electrons are arranged among the atoms in the molecule or ion  
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Mass percent   The percent by mass of a component of a a mixture or of a given element in a compound.  
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Mass Number   The total number of protons and neutrons in the nucleus of an atom.  
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Mixture   A substance with variable composition.  
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Molar Mass   The mass in grams of one mole of a compound.  
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Neutralization Reaction   An acid-base reaction  
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Orbital   The three dimensional region in which there is a high probability of finding an electron in an atom.  
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Oxyacid   An acid in which the acidic proton is attached to an oxygen ion.  
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Percent Yield   The actual yield of a product as a percentage of the theoretical yield.  
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Photon   A particle of electromagnetic radiation.  
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Resonance   A condition occurring when more than one valid Lewis structure can be written for a particular molecule.  
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Saturated Solution   A solution that contains as much solute as can be dissolved at that temperature.  
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Noble Gas   A gas with a full outer energy level. (valence electrons)  
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Created by: noahcarlson1996
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