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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The simplest form of matter with unique chemical properties
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element
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All matter,living and nonliving, is composed of this.
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The smallest particle of an element
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Atom
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The number of protons in the nucleus of the Atom
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Atomic number
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The hydrogen Atom, for example, has one proton and it's atomic number is one.
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The relative weight of an Atom determined by the number of protons and neutrons together and compared with the standard carbon Atom
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Atomic weight
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Relatively weak attraction formed when one or more electrons are transferred from one atom to another
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Ionic bond
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It is easily disrupted in water
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The chemical bond formed when two atoms share a pair of electrons
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Covalent bond
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It is the strongest type of chemical bond
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A substance with a pH less than 7.0 that ionizes in water to release hydrogen ions
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Acid
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A substance with a pH greater than 7.0
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Base
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A substance that prevents or reduces changes in pH and counterbalances the addition of an acid or base
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Buffer
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A system that uses chemical reactions occurring in body fluids to maintain a particular pH
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Buffer system
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The acid-base balance is regulated by two buffer systems in the body: the lungs and the kidneys
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ATP
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Adenosine Triphosphate
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ATP is the primary provider of energy for a cell.
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An Atom that has acquired a charge through the gain or loss of one or more electrons
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Ion
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Negatively charged ion
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Anion
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A positively charged ion
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Cation
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Molecule composed of two or more different elements such as carbon dioxide (CO2)
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Compound
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Combination of substances that are not chemically combined and can be separated by physical means
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Mixture
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A mixture in which a solid is distributed but not dissolved
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Suspension
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It will separate unless it is shaken
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A substance that permits the transfer of electrons in solution
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Electrolyte
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Common electrolytes include acids, bases, and salts.
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The number used to indicate the exact strength of an acid or base
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pH
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A scale ranging from 0 to 14 that measures the hydrogen ion concentration of a solution
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pH scale
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