Inorganic Chemistry Vocabulary Test Questions

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Atomic Number
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The number of protons in an atom
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Mass Number
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The sum of the number of protons plus neutrons in atom
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Ion
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An atom that carries either a positive or negative charge
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Isotope
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Atoms of the same element that contain different numbers of neutrons
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Radioisotope
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An isotope with an unstable nucleus. The nucleus will release particles or radiant energy
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Chemical Bond
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An attraction between two or more atoms
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Element
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A substance that cannot be broken down chemically into a simpler kind of matter; The simplest form of matter
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Compound
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A substance that consists of atoms of two or more elements that are joined by chemical bonds
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Chemical Reaction
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The process of breaking bonds or forming new bonds, or both
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Reactant
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Any atom, ion, etc. that is involved in a chemical reaction
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Chemical Equation
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A combination of symbols, formulas, and numbers which show how reactants change during chemical reactions
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Molecular Formula
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This formula will tell you the number and type of atoms present in the compound
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Structural Formula
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A diagram that tells you the number, type and configuration of atoms present in a compound
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Isomer
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One of two or more compounds that have the same molecular formula but different configurations and properties
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Inorganic Compounds
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Usually not produced by organisms or contain carbon. H2O and CO2 are exceptions
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Organic Compounds
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Usually produced by organisms and contain carbon

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