5614289921 | Absorbance | Light that does not pass through a solution A = abc | | 0 |
5614305630 | Activation Energy | Minimum energy needs to be added to a system in order for the chemical reaction to occur | | 1 |
5614312496 | Alpha Particle | He2+ 2 protons, mass number = 4, 2+ charge Highly ionizing particle; Low energy | | 2 |
5614319844 | Anion | Negatively charge ion | | 3 |
5614324282 | Arrhenius Acid | Donates a H+ ion | | 4 |
5614331602 | Arrhenius Base | Donates a OH- ion | | 5 |
5614336842 | Atom | Smallest constituent unit of ordinary matter that has the properties of a chemical element | | 6 |
5614342191 | Atomic Mass | Average of all naturally occurring isotopes | | 7 |
5614348750 | Atomic Number | Number of protons; defines the atom | | 8 |
5614353354 | Beta Particle | -1 proton, mass number =0; medium ionizing ability, medium energy | | 9 |
5614359160 | Boiling | Phase change from a liquid to a gas | | 10 |
5614364191 | Bronsted-Lowry Acid | Donates a proton, H+ | | 11 |
5614369642 | Bronsted-Lowry Base | Accepts a proton, H+ | | 12 |
5614374319 | Calorimetry | Means of measuring the heat gained/ lost by a system during a chemical reaction | | 13 |
5614381100 | Catalyst | Lowers the activation energy. Not a reactant. Not a product | | 14 |
5614385518 | Cation | Positively charged ion | | 15 |
5614390609 | Chemical Equilibrium | Rate of the forward reaction equals the rate of the reverse reaction | | 16 |
5614397412 | Condensation | Phase change from a gas to a liquid | | 17 |
5614402418 | Conversion Factor | Allows for the conversion from one unit of measure to another | | 18 |
5614409661 | Covalent Bond | Bond formed by the sharing of electrons between atoms. | | 19 |
5614415218 | Deposition | Phase change from a gas to a solid | | 20 |
5614421218 | Dipole-Dipole | Permanent IMF present in polar molecules | | 21 |
5614430328 | Direct Relationship | Relationship between two variables where when one changes, the other changes in the same manner | | 22 |
5614437883 | Dissociate | To break into ions | | 23 |
5614444638 | Dissolve | To break into smaller pieces | | 24 |
5614451741 | Distillation | Process of separating liquids based on differences in boiling temperatures | | 25 |
5614458952 | Double Bond | Two shared pairs of electrons | | 26 |
5614463691 | Electrolyte | Dissociates into charge particles which are capable of conducting electricity | | 27 |
5614468871 | Electrolytic Cell | Redox reaction that is not spontaneous | | 28 |
5614476803 | Electron Affinity | Energy released when an atom gains an electron | | 29 |
5614481086 | Electron | Negatively charged particle. Charge = -1, Mass ~0amu. Located in the orbitals surrounding the nucleus | | 30 |
5614488410 | Electronegativity | The ability of an atom to attract electrons from another atom | | 31 |
5614493628 | Empirical Formula | Lowest whole number ratio of atoms in a compound | | 32 |
5614498644 | Exothermic | Energy is released by the system | | 33 |
5614504246 | Filtrate | Liquid that passes through the filter paper | | 34 |
5614510111 | Filtration | Process of separating a precipitate from its aqueous solution | | 35 |
5614518461 | Formula Unit | Ionically bonded atoms | | 36 |
5614523489 | Freezing | Phase change from a liquid to a solid | | 37 |
5614529667 | Galvanic / Voltaic Cell | Redox reaction that is spontaneous | | 38 |
5614535741 | Gamma Ray | 0 protons, mass number = 0, Low ionizing ability, high energy | | 39 |
5614542445 | Halogen | Elements in group 17. Form halides as ions | | 40 |
5614553602 | Hydrogen Bonding | Strong dipole that results when H is bonded to F, O, or N | | 41 |
5614559041 | Indirect relationship | Relationship between two variables where when one changes, the other changes in the opposite manner | | 42 |
5614563816 | Insoluble | Does not dissolve in water | | 43 |
5614567632 | Intermediate | Species produced in one step and consumed in another step | | 44 |
5614580060 | Intermolecular Forces, IMF | Attractive forces between molecules | | 45 |
5614583285 | Ion | Charge particle | | 46 |
5614589974 | Ionic Bond | Bond formed by the transfer of 1 or more electrons from the least electronegative atom to the more electronegative atom | | 47 |
5614599760 | Ionization Energy | Energy required to remove the outer electron from a gaseous atom | | 48 |
5614607093 | Kinetic Energy | Energy of motion, temperature is a measure of KE | | 49 |
5615175278 | Limiting Reactant | Reactant to runs out first thus limiting the amount of product that can be formed | | 50 |
5615184615 | London Dispersion Forces | Temporary IMF caused by the movement of electrons | | 51 |
5615191106 | Lone Pair | Unbonded electrons | | 52 |
5615198510 | Mass Number | Mass of all protons and neutrons | | 53 |
5615201033 | Melting | Phase change from a solid to a liquid | | 54 |
5615208199 | Molar Mass | grams per 1 mol | | 55 |
5615213640 | Molarity | moles of solute per liter of solution | | 56 |
5615219739 | Molecular Formula | actual number of moles of each atom in a compound | | 57 |
5615227737 | Molecule | Covalently bonded atoms | | 58 |
5615236463 | Neutron | Neutral particle. No charge. Mass = 1amu, Located in the nucleus | | 59 |
5615243258 | Noble Gas | Group 18 on the PT. Each has 8 valence electrons. Nonreactive | | 60 |
5615245906 | Orbital | Regions of probability where electrons are located. Each orbital can contain up to 2 electrons | | 61 |
5615254278 | Oxidation Number | A charge assigned to an atom that represents that charge it would have if it contained and ionic bond. Are written as charge value, +4, -6, +2 | | 62 |
5615264856 | Oxidation | Process of losing electrons which increases the oxidation number | | 63 |
5615269997 | Percent Error | Absolute value (Theoretical - Experimental) / Theoretical) x 100% | | 64 |
5615275989 | Percent Yield | (Quantity produced / Theoretical Amount) x 100% | | 65 |
5615280828 | Precipitate | Solid matter that forms from the reaction of two aqueous solutions | | 66 |
5615286163 | Principle Energy Level | n= 1 means first energy level. They contain sublevels | | 67 |
5615291618 | Proton | Positively charged particle. Charge = +1, Mass = 1amu, Located in the nucleus | | 68 |
5615296879 | Reduction | Process of gaining electrons which reduces the oxidation number | | 69 |
5615303908 | Significant Figures | Those digits that carry meaning contributing to its precision | | 70 |
5615311300 | Single Bond | One shared pair of electrons | | 71 |
5615317265 | Soluble | Dissolves in water | | 72 |
5615323019 | Solute | The species that gets dissolved to form a solution | | 73 |
5615331237 | Solution | Solute and solvent | | 74 |
5615336381 | Solvent | The species that does the dissolving to form a solution | | 75 |
5615341227 | Specific Heat | Energy required to raise 1 gram of a substance 1C | | 76 |
5615346945 | Strong Acid | Dissociates 100% to produce H+ | | 77 |
5615351500 | Strong Base | Dissociates 100% to produce OH- | | 78 |
5615359632 | Sublevel | s, p, d, and f. defines the shape | | 79 |
5615365967 | Sublimation | Phase change from a solid to a gas | | 80 |
5615371936 | Surroundings | This refers to everything outside of the system | | 81 |
5615375992 | System | This refers to the reaction | | 82 |
5615380231 | Transmittance | Light that passes through a solution | | 83 |
5615385680 | Triple Bond | Three shared pairs of electrons | | 84 |
5615392911 | Valence electrons | Outer electrons which are available for bonding | | 85 |
5615400436 | Weak Acid or Base | Dissociates very little. Remains mostly in its molecular form | | 86 |
5615406242 | Molality | kg solute / Liter of Solvent | | 87 |
5615428139 | JJ Thomson | Discovered the e- | | 88 |
5615430289 | Goldstein | Discovered the P | | 89 |
5615432669 | Chadwick | Discovered the N | | 90 |
5615435307 | Rutherford | Theorized the nuclear model of the atom | | 91 |
5615448664 | Coulombic Attraction | Force of attraction as protons pull electrons inward | | 92 |
5615499806 | Ideal Gas Law | PV=nRT | | 93 |
5615503309 | Enthalpy | Delta H - (endo/exo) | | 94 |
5615570865 | Entropy | Delta S - (disorder/order) | | 95 |
5615577360 | Gibbs Free Energy | Energy available to do work | | 96 |
5615582531 | Hvap | Energy required to change 1 mol (l) to (g) | | 97 |
5615590430 | Hfus | energy required to change 1 mol (s) to (l) | | 98 |
5638643584 | Endothermic | Energy is gained by the system | | 99 |
9659830608 | Salt | Strong Electrolyte (see vocab) | | 100 |
9659831952 | Alkali | Group I | | 101 |
9659833123 | Alkaline Earth Metals | Group II | | 102 |
9659837921 | Molality | Mol solute / kg solvent | | 103 |
9659838801 | Raoult's Law | Ptotal = XP (A and P are in terms of the solvent) | | 104 |
9659841690 | Graham's Law of Effusion | rate is inversly proportional to the SQRT MM | | 105 |
9659843564 | Granametric Analysis | analytical technique which involves measuring mass | | 106 |
9659848846 | Equivalence Point | Mol Acid = Mol Base | | 107 |
9659850606 | 1/2 Equivalence Point | 1/2 Acid (or base) has been converted to its conjugate | | 108 |
9659853119 | Conjugate Acid | What the base becomes after accepting a H+ | | 109 |
9659854813 | Conjugate Base | What the acid becomes after losing a H+ | | 110 |
9659860661 | Dalton's Law of Partial Pressure | P total = P1 + P2 + P3+.... | | 111 |
9659866946 | Kinetic Molecular Theory | Gas particles act independently - 4 postulates | | 112 |
9659865826 | Idea Gas | Behaves according to KMT | | 113 |
9659875263 | Enthalpy of Formation, Delta Hf | Energy required to form ONE mole of a substance | | 114 |
9659879858 | Quanta | A discreet amount of energy | | 115 |
9659882210 | Ground State | Aufbau's Law - most stable configuration for electrons | | 116 |
9659884148 | Excited State | Electron(s) can jump to higher energy levels | | 117 |
9659886669 | Paramagnetic | Attracted to a magnet (e- not paired) | | 118 |
9659888754 | Diamagnetic | Not attracted to a magnet (all e- paired) | | 119 |
9659893128 | Lattice Energy | Q1Q2/ r^2 | | 120 |
9659895338 | Formal Charge | FC= Val e- - [lone pair e- + 1/2 bonded e-] | | 121 |
9659899109 | Bond Energy | Measure of the strength of a covalent bond | | 122 |
9659902865 | Sigma Bond | Shared pair of e- between 2 nucei (single and first of double and triple bond) | | 123 |
9659907033 | Pi Bond | Shared pair of e- above & below the molecule (second and third bond) | | 124 |
9659912839 | Phase Daigram | Conditions of T and P in which a solid, loquid and gas can exist | | 125 |
9659915976 | Triple Point | Point in a Phase Diagram where all three phases are in equilibrium | | 126 |
9659917248 | Critical Point | Temp above which the gas cannot be converted back to a liquid | | 127 |
9659922853 | Miscible | Solvent and Solute dissolve completely (water and ethanol) | | 128 |
9659925156 | Immiscible | Solvent and Solute do NOT dissolve completely
(oil and water) | | 129 |
9659934298 | Vapor Pressure | Pressure that must be achieved by a liquid in a closed container to achieve equilibrium between the liquid and gas phases | | 130 |
9659938923 | Nonvolatile | Does not have a measurable vapor pressure | | 131 |
9659940928 | Van Hoff't Factor (i) | Number of moles of IONS that a compound will dissociated into | | 132 |
9659945830 | Rate | Change in Molarity / Change in Time | | 133 |
9659946583 | Reaction Mechanism | Series of elementary steps which when added together equals the overall reaction | | 134 |
9659948412 | Rate Determining Step | Slow step in a mechanism - has the same rate law as the overall reaction | | 135 |
9659954039 | Molecularity | Number of moles reacting in an elemenary step | | 136 |
9659958378 | LeChatelier's Principle | Whan a system at equilibrium is stressed, the rxn will shift to achieve a new equilibrium position | | 137 |
9659962004 | Mass Action Expression, Equilibrium Expression | [Products]^coeff / [React]^coeff | | 138 |
9659969134 | Equilibrium Constant, K | [Products]^coeff / [React]^coeff | | 139 |
9659970270 | Ka | Acid Equilibrium constant | | 140 |
9659971024 | Kb | Base Equilibrium constant | | 141 |
9659971762 | Kw | Autoionization of water; Ka x Kb = Kw (1 x 10^-14) | | 142 |
9659975559 | Amphoteric | Substance that can act as either and acid or a base | | 143 |
9659980929 | Percent Ionization | Change / originial concentration X 100% | | 144 |
9659984746 | Solubility Product, Ksp | Equilibrium constant for the solubility of a solid | | 145 |
9659987696 | Molar Solubility , s | mole of ppt that dissolve / liter of solution | | 146 |
9659995147 | Malleable | Can be hammered flat (Mashable) | | 147 |
9659996521 | Ductile | Can be drawn into a wire | | 148 |
9659997291 | Metallic Bond | Sea of electrons (delocalized) | | 149 |
9659999845 | Delocalized Electrons | Electrons what are not bond to a particular nucleus | | 150 |
9660003550 | Binding Energy | Attaction of the e- to the nucleus | | 151 |
9660007546 | Isotope | Same #P, different # N C-12, C-14 ; chemically similar | | 152 |
9660009445 | Isomer | Same chemical formula - atoms are bonded differently; chemically different | | 153 |