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Atomic Structure
$200The subatomic particle with a negative charge that occupies orbitals.
$400The region of space where there is a 90% probability of finding an electron.
$600The principle stating that electrons fill lower energy orbitals before higher energy ones.
$800The rule requiring electrons to occupy empty orbitals singly before pairing up.
$1000The number of protons in an atom of the isotope Nitrogen-15.
Periodic Trends
$200The trend that describes the amount of energy required to remove an electron from a gaseous atom.
$400The tendency of an atom to attract a shared pair of electrons.
$600The distance from the center of the nucleus to the outer boundary of the electron cloud.
$800The trend which increases as you move from top to bottom in a periodic group.
$1000The energy change occurring when an electron is added to a neutral gaseous atom.
Bonding and Molecular Geometry
$200The bond type characterized by the unequal sharing of electrons.
$400The molecular geometry of a molecule with two bonding pairs and two lone pairs.
$600The bond angle typically associated with a tetrahedral geometry.
$800The theory that explains bonding using the overlap of atomic orbitals to form hybrid orbitals.
$1000The force of attraction between the positive nucleus of one atom and the lone pair of a highly electronegative atom.
Stoichiometry
$200The number of particles in one mole of a substance.
$400The reactant that limits the amount of product formed in a reaction.
$600The mass of one mole of a compound, typically expressed in grams per mole.
$800The ratio derived from the coefficients in a balanced chemical equation.
$1000The percentage of the mass of a specific element within a compound.
Thermodynamics
$200The measure of the total heat content of a system.
$400The unit of measurement used to quantify energy transfer.
$600A reaction that absorbs heat from its surroundings.
$800The state function that represents the degree of randomness or disorder.
$1000The principle stating that the enthalpy change of a reaction is independent of the pathway.
Chemical Kinetics
$200The change in concentration of a reactant or product over time.
$400The minimum energy required for a chemical reaction to occur.
$600A substance that increases the reaction rate by providing an alternative pathway.
$800A mathematical expression relating the rate of a reaction to the concentration of reactants.
$1000A proposed series of elementary steps that lead to the overall chemical reaction.