Term
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Definition
| Any atom or group of atoms with a negative charge |
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Term
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Definition
| A compound composed of two elements. |
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Term
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Definition
| Any atom or group of atoms with a positive charge |
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Term
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Definition
| Shows the number and type of atoms present in the smallest representative unit of a substance |
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Term
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Definition
| The lowest whole number ratio of ions in an ionic compound |
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Term
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Definition
| An atom or group of atoms that has a positive or negative charge |
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Term
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Definition
| A compound composed of positive and negative charge |
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Term
| Law of Definite Proportion |
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Definition
| In any sample of chemical compound, the elements are always combined in the same proportion by mass |
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Term
| Law of Multiple Proportions |
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Definition
| Whenever two elements form more than one compund, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole number |
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Term
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Definition
| A compound that is composed of molecules |
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Term
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Definition
| A chemical formula that shows the actual number and kinds of atoms present in a molecule of a compound |
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Term
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Definition
| A neutral chemically bonded group of atoms that act as a unit. |
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Term
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Definition
| A single atom with a positive or negative charge as a result of losing or gaining valence electrons |
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Term
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Definition
| A tightly bound group of atoms that behaves as a unit and carries a charge |
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Term
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Definition
| A compound containing atoms of three different elements, usually containing at least one polyatomic ion |
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Term
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Definition
| The number of representative particles contained in one mole of a substance |
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Term
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Definition
| A formula with the lowest whole number ratio of elements in a compound |
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Term
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Definition
| The mass, in grams, of one mole of atoms in a monatomic element (gam) |
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Term
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Definition
| The mass, in grams, of one mole of a molecular substance (gmm) |
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Term
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Definition
| The amount of matter that an object contains |
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Term
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Definition
| The volume occupied by 1 mole of a gas at standard temperature and pressure (STP) |
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Term
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Definition
| The amount of a substance that contains 6.02x10^23 representative particles of a substance |
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Term
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Definition
| The percent by mass of each element in a compound |
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Term
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Definition
| The smallest unit into chich a substance can be broken down without a change in composition |
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Term
| Standard Temperature and Pressure |
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Definition
| The conditions under which the volume of a gaas is usually measured (STP) |
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Term
| Activity Series of Metals |
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Definition
| A table listing metals in order of decreasing activity |
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Term
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Definition
| A chemical equation in which mass is conserved; each side has same number of atoms of each element. |
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Term
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Definition
| A substance that increases the rate of reaction by lowering the activation-energy barrier |
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Term
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Definition
| An expression representing a chemical reaction |
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Term
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Definition
| A smal whole number that appears in front of a formula in a balanced chemical equation |
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Term
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Definition
| A chemical change in which two or more substances react to form a single new substance |
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Term
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Definition
| A chemical change in which oxygen reacts with another substance, often producing energy in the form of heat and light |
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Term
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Definition
| An equation or a reaction in solution showing all strong electrolytes as ions |
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Term
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Definition
| A chemical change in which a single compound is broken down into two or more simpler products |
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Term
| Double Replacement Reaction |
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Definition
| A chemical change that involves and exchange of positive ions between two compounds |
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Term
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Definition
| An equation for a reaction in solution showing only those particles that are directly involved in the chemical change. |
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Term
| Single Replacement Reaction |
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Definition
| A chemical change in which one element replaces a second element in a compound |
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Term
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Definition
| A chemical Equation that does not indicate the relative amount or reactants and products |
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Term
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Definition
| An ion that is not directly involved in a chemical reaction an ion that does not change oxidaton number or composition during a reaction |
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Term
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Definition
| The amount of product that forms when a reaction is carried out in the lab |
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Term
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Definition
| A reagent present in a quantity that is more than sufficient to react with a limiting reagent |
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Term
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Definition
| Any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction |
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Term
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Definition
| The ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measue of the efficiency of a reaction |
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Term
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Definition
| That portion of chemistry dealing with numerical relatoinships in chemical reactions |
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Term
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Definition
| The amount of product that could form during a reaction calculated from a balanced chemical equation |
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Term
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Definition
| The mass of one mole of an ionic compound |
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Term
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Definition
| A starting substance in a chemical reaction |
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Term
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Definition
| A substance formed in a chemical reaction |
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Term
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Definition
| To separate a substance in solid form from a solution |
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Term
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Definition
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Term
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Definition
| The dissolving medium in a solution |
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Term
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Definition
| Dissolved paritcles in a solution |
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Term
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Definition
| A substance that is used in analysis and synthesis |
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