Covalent Bonding
These are what are shared between two nonmetallic atoms in a covalent bond.
What are valence electrons?
This is the number of valence electrons that majority of elements are most stable with.
What is 8?
These are the two requirements for a Lewis diagram to be considered valid.
What is that it has the correct total number of valence electrons and that the octets/duets for all atoms are satisfied?
This is the arrangement of all electron domains around the central atom in a molecule.
What is electron geometry?
This is the formula used to calculate the formal charge of an atom in a molecule.
What is the number of valence electrons that atom has - (the number of lone electrons on that atom + the number bonds on that atom)?
This is the relative ability of an atom in a covalent bond to attract shared electrons to itself.
What is electronegativity?
Nonmetals in this period and lower can be stable with an expanded octet.
What is period 3?
This is what it is called when multiple valid Lewis structures are possible for a given chemical formula.
What is resonance?
This is the type of electron domain that repels other electron domains more strongly.
What are nonbonding domains?
This is the type of bond formed between carbon and hydrogen.
What is nonpolar covalent?
This is the range of electronegativity differences that correspond with polar covalent bonds.
What is 0.5 to 1.8?
This is the number of lone pairs on the central atom in a molecule of H2S.
What is 2?
These are the two qualifications for a Lewis diagram to be considered the best possible diagram.
What is that the formal charges are as close to zero as possible and that negative formal charges are on the most electronegative atom?
This is the electron geometry of a molecule with 5 electron domains around the central atom.
What is trigonal bipyramidal?
This is the molecular geometry of H2O.
What is bent?
This is the type of bond formed between sulfur and phosphorus.
What is nonpolar covalent?
This is the number of double bonds in a molecule of CO32-.
What is one?
These are the formal charges on each of the atoms in molecule #1 (on the board).
What is...
S: +1
C: 0
N: -2
This is the molecular geometry of a molecule with 4 bonding domains and 2 nonbonding domains around its central atom.
What is square planar?
This element is stable with access to only 6 valence electrons.
What is boron?
This is the atom in a polar covalent bond that has the larger portion of the electron cloud around it.
What is the atom with the partial negative charge (or the more electronegative atom)?
This is the best possible Lewis diagram for FCN.
What is (structure on board)?
This is the best of the three valid Lewis structures shown on the board.
What is structure b?
These are the electron AND molecular geometries of NO2-.
What is...
EG: trigonal planar
MG: bent
These are the electron AND molecular geometries of XeF5+.
What is...
EG: octahedral
MG: square pyramidal