Chemistry 1: Q2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Chemistry | science that deals with materials of the universe and their changes
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| Stoichiometry | the process of using balanced chemical equations to determine the relative masses of the reactants and products involved
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| Mole Ratio | the ratio of moles of one substance to moles of another substance in a balanced chemical equation
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| Limiting Reactant | the substance that is completely used up when a reaction is completed
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| Excess Reactant | the substance that is left over when a reaction is completed
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| Theoretical Yield | the maximum amount of a given product that can be formed when the limiting reactant is completely used up
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| Actual Yield | the actual amount of a given product that is formed when the limiting reactant is completely used up
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| Percent (%) Yield | the actual yield / the theoretical yield
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| Wavelength | distance between wave crests
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| Frequency | number of waves passing per second
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| Velocity | all electromagnetic waves travel at the same speed
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| Electron Orbital | region of space around a nucleus of an atom within which there is a 90% probability of finding an atom
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| Orbital | specific region of space inside a sublevel
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| Core Electrons | electrons in the inner energy levels
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| Valence Electrons | electrons in the outermost sublevel
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| Ionization Energy | the amount of energy required to remove an electron from a gaseous atom or ion
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| Bond | force that holds two or more atoms together and makes them function as a unit
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| Bond Energy | the energy required to break a given chemical bond
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| Ionic Bonding | the attraction between oppositely charged ions
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| Ionic Compound | a compound that results when a metal reacts with a nonmetal to form cations and anions
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| Non-Polar Covalent Bonding | a type of bonding in which the atoms share electrons
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| Polar Covalent Bonding | a covalent bond in which the electrons are not shared equally because one atoms attracts the shared electrons more
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| Electronegativity | the tendency of an atom in a molecule to attracts shared electrons to itself
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| Dipole Moment | a property of a molecule in which the charge of a distribution can be represented by a center of positive charge and a center of negative charge
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| Solution | homogeneous mixture that doesn't settle
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| Alloy | solid mixed with another solid
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| Solvent | component of a solution present in the largest amount
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| Solute | component of a solution present in the lesser amount
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| Ionic | separates into ions in solution
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| Polar | creates hydrogen bonds with other molecules and ions
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| Non-Polar | no molecular interaction between molecules
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| Dilute | relatively small amount of solute in mixture
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| Concentrated | relatively large amount of solute in mixture
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| Unsaturated | less than the maximum amount of solute is dissolved in a solution
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| Saturated | maximum amount of solute is dissolved in a solution
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| Supersaturated | more than the maximum amount of solute is dissolved in a solution
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| Solubility | maximum number of grams of solute per 100 g or 100 mL of water at a given temperature
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| Molarity | concentration of solution involving moles
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| Acid (Arrhenius Model) | substance that produces H+ ions in solution
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| Base (Arrhenius Model) | substance that produces OH- ions in solution
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| Acid (Bronsted-Lowry Model) | proton donor
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| Base (Bronsted-Lowry Model) | proton acceptor
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| Conjugate Acid | substance formed when a proton is added to a base
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| Conjugate Base | substance formed when a proton is lost from an acid
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| Conjugate Acid-Base Pair | two substances related to each other by the donating and accepting of a proton
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| Amphoteric | a substance that can act as both an acid and a base
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| Indicator | a chemical that changes color depending on the pH of the solution in which they are placed
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| Titration | technique in which a solution of known concentration is used to determine the concentration of another solution
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| Standard Solution | a solution in which the concentration is accurately known
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| Buret | device used to accurately measure the delivery of a given volume of liquid or solution
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| Equivalence Point | the point in a titration when enough titrant has been added to react exactly with the substance in solution
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| Buffered Solution | a solution that resists a change in pH when either an acid or base is added
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Created by:
18hanmal
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