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Chemistry

Chem Extra Credit

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