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41 Cards in this Set

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  • Back
the energy required to break a chemical bond and form neutral isolated atoms
bond energy
the distance between two bonded atoms at their minimum potential energy, that is, the avg distance between two bonded atoms
bond length
a molecule containing only 2 atoms
diatomic molecule
a covalent bond produced by the sharing of 2 pairs of electrons between 2 atoms
double bond
the ability of a substance to be drawn, pulled, or extruded thru a small opening to produce a wire
ductility
the chemical bond resulting from electrical attraction between large no.s of cations and anions
ionic bonding
a compound composed of negative and positive ions that are combined so that the no.s of positive and negative charges are equal
ionic compound
the energy released wen one mole of an ionic crystalline compund is formed from gaseous ions
lattice energy
the ability of a substance to be hammered or beaten into thin sheets
malleability
chemical bonding that results from the attraction between atoms and the surrounding sea of electrons
metallic bonding
chemical compunds tend to form so that each atom, by gaining, losing, or sharing electrons, has an octet of electrons in its highest occupied energy level
octet rule
a charged group of covalently bonded atoms
polyatomic ion
having an uneven distribution of charge
polar
the bonding in molecules or ions that cant be correctly represented by a single Lewis structure
resonance
a covalent bond produced by the sharing of three pairs of electrons between two atoms
triple bond
a pair of electrons thats not involved in bonding and that belongs exclusively to one atom
unshared pair/lone pair
a number that specifies the properties of atomic orbitals and the properties of electrons in orbitals
quantum no.s
a negative ion
anion
one-half the distance between the nuclei of identical atoms that r bonded together
atomic radius
a positive ion
cation
the energy change that occurs wen an electron is acquired by a neutral atom
electron affinity
a measure of the ability of an atom in a chemical compound to attract electrons
electronegativity
the arragnement of electrons in an atom
electron configuration
the electron-containing main energy level with the highest principal quantum number
highest occupied energy level
an electron that's not in the highest occupied energy level
inner-shell electron
the formation of ions from solute molecules by the action of the solvent;
any proces that results in the formation of an ion
ionization
The energy required to remove one electron from a neutral atom of an element
ionization energy
the physical and chemical properties of the elements are periodic function of their atomic numbers
periodic law
an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group
periodic table
the quantum number that indicates the SHAPE of the orbital
angular momentum quantum no.
the qunatum no. that indicates the ORIENTATION of an orbital around the nucleus
magnetic quantum no.
the quantum no. that indicates the MAIN ENERGY LEVEL occupied by the electron
principal quantum no.
the quantum no. that has only two possible values: +1/2 or -1/2, which indicate the two fundamental SPIN states of an electron in an orbital
spin quantum no.
an outer main energy level fully occupied. in most cases, by eight electrons
noble-gas configuration
a compound composed of two diferent elements
binary compound
an atom or group of bonded atoms that has a positive or negative charge
ion
an ion formed from a single atom
monatomic ion
a polyatomic ion that contains oxygen
oxyanion
an ionic compound composed of a cation and the anion from an acide;
an ionic compound composed of a cation from a base and an anion from an acid
salt
an electron that's available to be lost, gained, or shared in the formation of chemical compounds
valence electrons
repulsion between the sets of valence-level electrons surrounding an atom causes these sets to be oriented as far apart as possible
VSEPR theory