9734384835 | atomic radius | distance between nuclei of adjacent atoms in an element | 0 | |
9734403486 | atomic radius increases going ___ and ____ when on the periodic table | down and left | 1 | |
9734405475 | ionization energy | the energy required to remove an electron from a gaseous atom | 2 | |
9734418188 | ionization energy increases going ___ and ___ when on the periodic table | up and right | 3 | |
9734427357 | electronegativity | the relative ability of an atom in a bond to attract electrons (excludes noble gases) | 4 | |
9734441713 | electronegativity increases going ___ and ___ when on the periodic table | up and right | 5 | |
9734475585 | isotope | same element with different amount of neutrons | 6 | |
9734479643 | ion | charged particle/atom | 7 | |
9734490112 | -ate -> | -ic | 8 | |
9734490113 | -ite -> | -ous | 9 | |
9734492387 | -ide -> | hydro___ic acid | 10 | |
9734501637 | pauli exclusion principle | electrons of the same spin can not occupy the same orbital | 11 | |
9734505210 | aufbau principle | electrons fill orbitals in a sequence of most stability | 12 | |
9734513447 | hund's rule | electrons must occupy each sub-orbital by one pairing up | 13 | |
9734521047 | octet rule | all atoms like to have 8 valance electrons | 14 | |
9734540574 | principle quantum number (n) | orbital in which the electron is located. higher n is higher energy of the electron because it is less tightly bonded to the nucleus | 15 | |
9734553601 | angular momentum quantum number (l) | shows the shape of the atomic orbital - l=0 (s orbital) - l=1 (p orbital) - l=2 (d orbital) - l=3 (f orbital) | 16 | |
9734577098 | magnetic quantum number (m) | shows the orientation of the orbital - can be -l to l | 17 | |
9734581312 | electron spin number (s) | shows the spin state of the electron in an orbital - can be -1/2 or 1/2 | 18 | |
9734592299 | polar covalent bond | covalent bond where electrons spend more time around a more electronegative atom | 19 | |
9734603594 | lattice energy | the energy released when an ionic compound is formed | 20 | |
9734630969 | Enthalpy of formation (ΔH°f) | the overall enthalpy of the formation of ONE mole of a compound. it is the summation of all the steps involved in the formation of the compound | 21 | |
9734672958 | bond polarity | measure of how equally the electrons in a bond are shared between the two atoms of the bond | 22 | |
9734693075 | sigma bond (σ) | -electron density is along the bond axis -end to end overlap of orbitals | 23 | |
9734707284 | pi bonds | -electron density is above and below the bond axis | 24 | |
9734713878 | single bonds are.... | sigma bonds (σ) | 25 | |
9734720056 | double bonds are... | 1 sigma bond and 1 pi bond | 26 | |
9734723560 | triple bonds are... | 1 sigma bond and 2 pi bonds | 27 | |
9734731343 | strong electrolyte | when a compound 100% dissociates in a solvent | 28 | |
9734738366 | strong acid | 100% dissociates in water -H+ donor -OH acceptor | 29 | |
9734741257 | strong base | 100% dissociates in water -OH donor -H+ acceptor | 30 | |
9734755468 | oxidation | when an electron loses electrons (oxidation numbers increase) | 31 | |
9734760987 | reduction | when an element gains electrons (oxidation number decreases) | 32 | |
9734771560 | dipole-dipole attraction | attraction between polar particles | 33 | |
9734774671 | ion-dipole attraction | attraction between cation or anion with a dipole | 34 | |
9734783549 | dipole induced dipole attraction | when a polar molecule causes an instantaneous dipole in a nonpolar molecule | 35 | |
9734791838 | hydrogen bonding | strongest intermolecular force, when Hydrogen bonds with Oxygen or Nitrogen or Fluorine | 36 | |
9734797281 | london dispersion forces | weakest intermolecular force, temporary dipoles that occur due to unsymmetrical distribution of electrons | 37 | |
9734835303 | heat of fusion | energy from solid to liquid | 38 | |
9734848111 | heat of vaporization | energy from liquid to gas | 39 | |
9734854080 | heat of sublimation | energy from solid to gas (skipping liquid) | 40 | |
9734863350 | triple point | conditions where solid,liquid,gas phases coexist | 41 | |
9734865725 | critical point | critical temperature and pressure, beyond this point gas cannot be condensed into liquid | 42 | |
9734875303 | boiling point | the point at which vapor pressure is equal to atmospheric pressure | 43 | |
9734885198 | molality | mols of solute per kg of solvent | 44 | |
9734888228 | mol fraction | mols of solute / mols of all parts of solution | 45 | |
9734904691 | monatomic gases | noble gases | 46 | |
9734918134 | dalton's law of partial pressures | the total pressure of a mixture of gases equals the sum of the pressures that each gas would exert if it were present alone | 47 | |
9734945790 | bond enthalpy | H= E breaking - E forming -breaking = reactants -forming = products | 48 | |
9734968093 | reaction rate | the change in concentration of reactants or products per unit time (mol/L*s) | 49 | |
9734995575 | rate law | links reaction rate with concentrations of reactants at constant temperatures and order perameters rate=k(A)^x * (B)^y for A+B->C | 50 | |
9735017601 | reaction order | (x , y) 0=zero order 1=1st order 2=second order | 51 | |
9735027014 | zero order | when the rate of a reaction is independent of reactant concentration -rate=k | 52 | |
9735036448 | first order | when the rate of reactant depends on the concentration of one reactant -linearly graphed | 53 | |
9735043112 | second order | when a rate depends of either 1 second order reactant or 2 first order reactants | 54 | |
9735060892 | activation energy | the minimum amount of energy required for reactants to undergo a reaction | 55 | |
9735066855 | chemical equilibrium | when the forward and reverse reaction proceeds at equal rates | 56 | |
9735072078 | law of mass action | rate of any reaction is proportional to the product(s) of the reacting substances raised to the power of its coefficients | 57 | |
9735081392 | k>1 | product favored | 58 | |
9735083734 | k<1 | reactant favored | 59 | |
9735083735 | k=1 | equilibrium position | 60 | |
9735092741 | k= | concentration of products / concentration of reactants | 61 | |
9735110213 | reactant quotient (Q) | when the law of mass action is applied to initial concentrations and compared to the Keq to determine the equilibrium shift -the ratio of products to reactants | 62 | |
9735123979 | Q=k | equilibrium position | 63 | |
9735127020 | Q>k | equilibrium shifts left to reactants | 64 | |
9735128856 | Qequilibrium shifts right to products | 65 | | |
9735148452 | when you increase the concentration of reactants... | equilibrium goes to the products | 66 | |
9735159201 | when you decrease the concentration of the reactants... | equilibrium goes to the reactants | 67 | |
9735164176 | when you increase the concentration of the products... | equilibrium goes to the reactants | 68 | |
9735168962 | when you decrease the concentrations of products... | equilibrium goes to the products | 69 | |
9735173206 | when you increase pressure... | equilibrium goes to the least amount of mols of gas | 70 | |
9735176333 | when you decrease pressure... | equilibrium goes to the most amount of mols of gas | 71 | |
9735189544 | endothermic rxn : temp increase = | equilibrium goes to the products -delta H needed | 72 | |
9735196196 | endothermic rxn : temp decrease = | equilibrium goes to the reactants -delta H needed | 73 | |
9735202928 | exothermic rxn : temp increase = | equilibrium goes to the reactants -delta H needed | 74 | |
9735207288 | exothermic rxn : temp decrease = | equilibrium goes to the products -delta H needed | 75 | |
9735211929 | negative delta H | exothermic rxn | 76 | |
9735214491 | positive delta H | endothermic rxn | 77 | |
9735227238 | solubility product | ksp . concentration of product ions times the concentration of the reactant ions that are present in a saturated solution of an ionic compound | 78 | |
9735238899 | Q>ksp | super-saturated solution, precipitation is favored | 79 | |
9735243900 | Qunsaturated solution, dissolved state is favored | 80 | | |
9735248626 | common ion effect | when the concentration of an ion is increased, more solid will precipitate (solubility lowers) | 81 | |
9735263909 | conjugate acid | compound that results after an H+ is accepted | 82 | |
9735271053 | conjugate base | compound that results after an H+ is donated | 83 | |
9735304816 | a buffer system includes... | a weak acid or base with a salt containing its conjugate base | 84 | |
9735311597 | buffer solution | a solution that resists changes in pH | 85 | |
9735317004 | strong acid with a strong base pH curve | ![]() | 86 | |
9735323196 | weak acid with a strong base pH curve | ![]() | 87 | |
9735328279 | weak base with a strong acid pH curve | ![]() | 88 | |
9735332481 | diprotic acid pH curve | ![]() | 89 | |
9735343102 | entropy | calculation of disorder / randomness within the universe (S) | 90 | |
9735353259 | free energy | the amount of useful work that can be obtained from a process at constant temp (298 k) and pressure (1 atm) (G) | 91 | |
9735361702 | positive delta G | non-spontaneous | 92 | |
9735366186 | negative delta G | spontaneous | 93 | |
9735370273 | cathode | reduction occurs, accepting electrons | 94 | |
9735372755 | anode | oxidation occurs, donating electrons -the half rxn with the lowest E value is reversed | 95 | |
9735386921 | line notations | anode components on the left, cathode on the right. divide by a double line | 96 | |
9735393892 | dead battery | a redox rxn at equilibrium | 97 | |
9777614485 | viscosity | resistance of a liquid to flow | 98 | |
9777624009 | crystalline solid | contain highly ordered structures, with a regular pattern | 99 | |
9777629491 | amorphous solids | structures are not completely regular | 100 | |
9777669441 | cohesive forces | inter-molecular forces that bind similar molecules to one another | 101 | |
9777682946 | adhesive forces | inter-molecular attractions that bind a substance to a surface | 102 | |
9777695661 | vapor pressure | the pressure exerted by the vapor when at equilibrium | 103 | |
9777699486 | volatile liquid | a liquid that evaporates readily | 104 | |
9777723370 | boyle's law | P1V1=P2V2 -graph of V vs. P inverse relationship curve | 105 | |
9777732820 | charle's law | V1/T1=V2/T2 -graph of V vs. T is linear | 106 | |
9777745143 | Gay Lussac's Law | P1/T1=P2/T2 | 107 | |
9777750603 | ideal gas law | PV=nRT | 108 | |
9777756271 | avogadro's law | the volume of gas maintained at constant temperature and pressure is directly proportional to the number of moles of the gas | 109 | |
9777770331 | partial pressure | the pressure exerted by a particular component of a mixture | 110 | |
9777803502 | graham's law of diffusion | rate1/rate2= square root of (molar mass2/molar mass1) | 111 | |
9777856353 | arrhenius equation | relates activation energy, number of collisions, and fraction of effective collisions k=Ae^-Ea/RT | 112 | |
9777905096 | catalysts | increases the rate at which equilibrium is achieved | 113 | |
9777974696 | reducing agent | the species that is oxidized | 114 | |
9777977324 | oxidizing agent | the species that is reduced | 115 | |
9777985201 | salt bridge | allows ions to move to maintain charge neutrality in both half-cells | 116 |
AP Chemistry Flashcards
Primary tabs
Need Help?
We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.
For general help, questions, and suggestions, try our dedicated support forums.
If you need to contact the Course-Notes.Org web experience team, please use our contact form.
Need Notes?
While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!