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ChemistryExamONE
Over chapters 9 & 4
| Question | Answer |
|---|---|
| A bonding pair of electrons will | define or occupy a region of space in an orbital. |
| In general, each nonbonding pair, single bond, a multiple bond produces | a single electron domain around the central atom in molecules. |
| The arrangement of the electron domain about the central atom is called the | Electron domain geometry. |
| Most electronegative element in periodic table is | Fluorine |
| Valence bond theory and hybrid orbitals allowed us to use lewis to | rationalize the geometry of molecules. |
| ______ describes the electrons and molecules by using specific wave functions called molecular orbitals also called (MO,MOs) | Molecular Orbital Theory |
| Whenever 2 atomical orbitals orbitals overlap . . . | two molecular orbitals form. |
| The substance in the greatest quanity is called _______ | Solvent |
| Substance that is dissolved in solvent is called _______ | Solute |
| _______ is a substance that when dissolved in water results in a solution that can conduct. | Electrolytes |
| _______ Does not conduct electricity when dissolved in water | Non electrolytes |
| ______ process in which an ion is surrounded by water molecules arranged in a specific manner. | Hydration |
| Result in the formation of an insoluble product is called .... | A precipitate reaction |
| An equation showing the complete chemical formulas of the reactants and products is called . . . . . | a MOLECULAR EQUATION, because it shows chemical formulas of the reactants and products without indicating their ionic character. |
| An electron is transferred between reactants this is known as ____ | Oxidation reaction. |
| _______ Occurs when the oxidation number increases and reduction occurs when the oxidation number decreases. | Oxidation |
| In tritrations a solution of accurately known concentration is called | a Standard solution |
| *In relation to tritrations* If added gradually to another solution of an unknown concentration until the reaction between the two solutions is completed this is known as the . . . | Equivalence point |
| ______ are electrically conducting if the solutions are electrolytes. | Aq solutions |
| 3 major categories of chemical reactions that take place in AQ solutions are ____,_______,________ | Precipitation, Acid/base, Oxidation / reduction |
| The reaction of a acid and base is called . . . . | a Neutralizator reaction |
| _______ expresses concentration as the number of moles of solute in 1 liter of solution. | Molarity |
| Adding solvent to a solution or dilution _________s the concentration of the solution without changing the total number of moles solute. | Decreases |
| In ________ the oxidation and reduction happen simultaneously. | Oxidation/reduction (Redox) |
| In ______ a solution of known concentration is added to a solution of unknown | Acid base titration |
| ________ are similar to acid base titrations, the point at when oxidation is complete is equivalent point | Redox Reactions |
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kelliekountis
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