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22 Cards in this Set
- Front
- Back
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chemical bond
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the combining of atoms to form molecules or compounds
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ionic compound
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a compound made of oppositely charged ions
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covalent compounds
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a chemical compound formed by the sharing of electrons
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acid
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any compound that increases the number of hydronium ions when dissolved in water
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base
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any compound that increases the number of hydroxideb ions when dissolved in water
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indicator
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a compound that can reversably change color depending on conditions such as pH
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neutralization reaction
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the reaction of an acid and a base to form a neutral solution of water and salt
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pH
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a value that is used to express the acidity or bascity of a system
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salt
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an ionic compound that foms when a metal atom replaces two hydrogen of an acid
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organic compound
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a covalently bonded compund that contains carbon
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hydro carbon
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an organic compound composed only of carbon and hydrogen
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carbohydrate
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a class of energy giving nutrients that includes fiber , sugars,starcles
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lipid
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a type of biochemical that does not dissolve in water.
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protein
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a molecule that is made up of amino acids and that is needed to repair body structures.
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nuclei acid
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a molecule made up of subunits called nucleistides
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radioactivity
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the process by which an unstable nucleus gives off nuclear radiation
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mass number
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the sum of the numbers of protons and neutrons in the nucleus of an atom
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isotope
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an atom that has the same number of protons as other atoms of the same element do but that has a diffrent number of neutrons
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half life
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the time needed for half of a sample of a radioactive substance to undergo radioactive decay
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nuclear fission
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the splitting of the nucleus of a large atom into two or more fragments
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nuclear chain reaction
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a continious series of nuclear fission reactions
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nuclear fusion
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the combination of the nuclei of small atoms to form a larger nucleus
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