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Chapter 9-16

TermDefinition
Wave Length distance between wave crest
Frequency Number of waves passing per second
Velocity All electromagnetic waves traveling at the same speed
Photons Wave packet of Energy
Electron Orbital Region of space around a nucleus of an atom within which there is 90% probability of finding an electron
Orbital Specific Region of space inside a sublevel
Core electrons electrons in inner energy level
valence electrons electrons in outer sublevel
bond the force that holds two or more atoms together and makes them function as a unit
bond energy the energy required to break a given chemical bond
ionic bonds the attraction between oppositly charged ions
ionic compound a compound that results when a metal reacts with a nonmetal to form cations and anions
covalent bond type of bond in which atoms share electrons
polar covalent the electron are not shred equally because one atom attracts the shared electrons more than one atom
electronegativity the tendency of an atom in a molecule to attract shared electrons to itself
dipole moment property of a molecule in which the charge distribution can be represented by a center of positive charge and a center of negative charge
Lewis Structure representation of a molecule or polyatomic ion showing how valence are arranged among the atoms in the molecule or ion
bond pair a pair of electrons that are shared between two atoms forming a covalent or polar covalent bond
lone pair electron pairs in a Lewis Structure that are not involved in bonding
single bond a bond in which one pair of electrons is shared by two atoms
double bond two pairs of electrons are shared by two atoms
triple bond three pairs of electrons are shared by two atoms
resonance a condition occurring when more than one valid Lewis structure can be written for a particular molecule
solution homogenous mixture that does not settle
alloy solid mixture with another solid
liquid solution solid, liquid, or gas mixed in with another liquid
gaseous solution solid, liquid, or gas mixed in with a gas
aqueous solution liquid solution in which water is the main component
solvent part present in the largest amount
solute component present in the lesser amount
dilute small amount of solute in mixture
concentrated large amount of solute
unsaturated less than the maximum amount
saturated maximum amount of solute
supersaturated more than the maximum amount of solute is dissolved in solution
soluability maximum number of grams of solute per 100g or 100mL of water at a given temperature
molarity concentration of solution involving moles
dilution the process of adding the solvent to a solution to lower the concentration of solute
equivalents of an acid amount of acid that can furnish one mole of hydrogen ions
equivalents of a base amount of base that can furnish one mole of hydroxide ions
normality number of equivalents per 1 L of solution
colligative property property that is dependent only on the number of solute particles in solution
boiling point elevation adding more solute to a solution will increase the boiling point of the solution
acid proton donor (H+)
base proton acceptor
hydronium ion H3O ion formed when an acid is added to water
conjugate acid substance formed when a proton is added to a base
conjugate base remaining substance when a proton is lost from an acid
oxyacid an acid in which the acidic hydrogen is attached to an oxygen atom
organic acid acid with a carbon atom
amphoteric substance that can act as both an acid and base
Created by: 16tryoli