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Definition
| The smallest particle of an element that retains all the properties of the element |
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Definition
| A subatomic particle with a single unit of of positive electric charge |
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Definition
| A subatomic particle with a single unit of negative charge |
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Definition
| A subatomic particle that has no charge |
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Definition
| The central core of an atom that contains protons and neutrons |
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Definition
| The number of protons on an atom's nucleus |
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Definition
| One of several forms of an element, each containing the same number of protons but a different nuber of neutrons |
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Definition
| An isotope in which the nucleus decays over time, giving off radiation in the form of matter and energy. |
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Definition
| Two or more atoms held together by covalent bonds |
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Term
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Definition
| An atom or group of atoms that has become electrically charged as a result of gaining or losing an electron |
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Definition
| A chemical bond that occurs when an atom transfers an electron to another atom |
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Definition
| A chemical bond that forms when two atoms share the same electrons. |
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Term
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Definition
| breaking of old and formation of new chemical bonds that result in new substances |
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Definition
| A compound or atom that is involved in a chemical reaction |
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Definition
| new material created as a result of a chemical reaction |
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Definition
| A chemical reaction in which two different elements are bonded together forming a compound. |
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Definition
| A chemical reaction in which a compound is broken down into its elements |
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Term
| Single displacement reaction |
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Definition
| A chemical reaction between an element and a compound which yields a different element and compound |
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Term
| Double displacement reaction |
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Definition
| A chemical reacton between two compounds that yields two different compounds. |
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Term
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Definition
| A molecule in which opposite ends have opposite electric charges |
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Term
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Definition
| A bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule |
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Definition
| A tendency of molecules of the same kind to stick to one another |
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Definition
| An attraction between unlike molecules |
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Definition
| A uniform mixture of two or more substances |
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Definition
| The part of a solution that dissolves the other substance and is presnt in the greater amount. |
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Term
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Definition
| The part of a solution that is dissolved and is present in the lesser amount. |
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Definition
| A solution in which water is the solvent |
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Term
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Definition
| A compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale |
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Term
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Definition
| A compound that removes H+ ions from a solution and measures more than 7 on the pH scale |
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Term
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Definition
| A substance that maintains a fairly constant pH in a solution by accepting H+ ions when their levels rise and donating when they fall |
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