$$$ Quiz $$$
Covalent
Bonding and Naming
A bond in which electrons are
shared.
covalent
A bond in which electrons are
exchanged or taken.
ionic
How many valence electrons
are in an atom of selenium?
6
Does PCl3 break the octet
rule? Part 2: Draw the lewis
structure on the board.
yes
True or False: The pair of electrons
in ammonia not involved in
bonding is called the “outer pair” ?
False, lone pair or unshared
pair
What type of bond forms
when an “s” orbital overlaps
with an s, p, or hybrid orbital?
Sigma,
Does the element iodine exist as a
monotomic, diatomic, or triatomic
molecule?
diatomic
What type of orbital and how
many of these orbitals are
needed to make a pi bond.
“p” orbital, 2
Write down the prefixes (from
1-10) used in naming binary
molecular compounds.
Mono, di, tri, tetra,
penta, hexa, hepta, octa,
nona, deca
Draw a hydrogen bond on the
board.
A triple bond contains how many
electrons?
6
CsF, H2O, ZnS, BaI2
Which one of these compounds is a
molecular (covalent) compound?
H2O
Give the hybridization of each carbon
atom in the following molecule?
sp2
H
sp3
sp
C
H
H
C
C
H
H
sp2
C
C
sp
H
What is the shape of AsF3?
Trigonal pyramidal
What is the shape of GeCl4?
Tetrahedral
What is the shape of SeCl2?
Bent or Angle
What is the shape of AlCl3?
Trigonal Planar
What is the shape of CS2?
Linear
What is the shape of PBr5?
Trigonal Bipyramidal
Which one of these is the
most polar bond?
C-O or C-F or C-Cl or C-N
C-F, polar covalent bond
What type of hybrid orbital exists
in a methane molecule?
sp3
Name the four intermolecular forces
that we recently talked about.
Dipole-dipole
Ion-dipole
Dispersion forces (London)
Hydrogen bonding
Which one of these forces is the
weakest?
Dipole-dipole
Ion-dipole
Dispersion forces (London)
Hydrogen bonding
Write the formula for nitrogen
trioxide.
NO3
Write the formula for
diphosphorus pentabromide.
P2Br5
Write the name of the
compound, H2O2.
Dihydrogen dioxide, hydrogen
peroxide
Write the name of the
compound, Si2Cl7.
Disilicon heptachloride
What is the chemical formula
of tin(IV) carbonate?
Sn(CO3)2
A bond where electrons are
shared is known as a _______
bond?
covalent
Is there such a thing as S3-?
No, only S2-, sulfide
Draw the electron dot structure
of silicon?
How many valence electrons
does aluminum have?
three
Draw the lewis structure for SCl2
Draw the lewis structure for AsH3
Draw the lewis structure for HSCN
Is CHCl3 a polar or nonpolar
molecule?
Is BCl3 a polar or nonpolar
molecule?
Is NO2 a polar or nonpolar
molecule? What’s its geometry?
Does it have resonance
structures? Show on board.
Polar, bent
Draw the electron dot structure of
antimony ?
What is the chemical formula
of ammonium hydroxide?
NH4OH