Studied by 15 people
electron geometry: two bonding groups, no lone pairs
linear
molecular geometry: 2 bonding groups, no lone pairs
linear
Linear Bond Angles
180
electron geometry: 3 bonding groups, no lone pairs
trigonal planar
molecular geometry: 3 bonding groups, no lone pairs
trigonal planar
trigonal planar bond angles
120
electron geometry: 2 bonding groups, 1 lone pair
trigonal planar
molecular geometry: 2 bonding groups, 1 lone pair
bent
bent bond angles
<109.5 if there are two lone pairs
electron geometry: 4 bonding groups, no lone pairs
tetrahedral
molecular geometry: 4 bonding groups, no lone pairs
tetrahedral
tetrahedral bond angles
109.5
electron geometry: 3 bonding pairs, 1 lone pair
tetrahedral
molecular geometry: 3 bonding pairs, 1 lone pair
trigonal pyramidal
trigonal pyramidal bond angles
<109.5
electron geometry: 2 bonding groups, 2 lone pairs
tetrahedral
molecular geometry: two bonding pairs, two lone pairs
bent
electron geometry: 5 bonding pairs, no lone pairs
trigonal bipyramidal
molecular geometry: 5 bonding pairs, no lone pairs
trigonal bipyramidal
trigonal bipyramidal bond angles
120 (equatorial) and 90 (axial)
electron geometry: 4 bonding pairs, 1 lone pair
trigonal bipyramidal
molecular geometry: 4 bonding pairs, 1 lone pair
seesaw
seesaw bond angles
<120 (equatorial) and <90 (axial
electron geometry: 3 bonding pairs, 2 lone pairs
trigonal bypyramidal
molecular geometry: 3 bonding pairs, 2 lone pairs
t-shaped
t-shaped bond angles
90
electron geometry: 2 bonding pairs, 3 lone pairs
trigonal bipyramidal
molecular geometry: 2 bonding pairs, 3 lone pairs
linear
electron geometry: 6 bonding pairs, 0 lone pairs
octahedral
molecular geometry: 6 bonding pairs, 0 lone pairs
octahedral
octahedral bond angles
90
electron geometry: 5 bonding pairs, 1 lone pair
octahedral
square pyramidal bond angles
<90
electron geometry: 4 bonding pairs, two lone pairs
octahedral
molecular geometry: 4 bonding pairs, 2 lone pairs
square planar
square planar bond angles
90
polar covalent bond
two elements or compounds bond covalently but have difference in electronegativity
polar bond
the difference in electronegativity is between 0.5 and 2.0
system
the part of the universe chosen to study
surroundings
everything other than the system
open system
energy and matter are freely exchanged between the system and its surroundings
closed system
energy can be exchanged between the system and its surroundings, but matter cannot
isolated system
neither energy nor matter can be exchanged between the system and its surroundings
energy
ability to do work
work
force acting over a distance
kinetic energy
energy of movement
thermal energy
kinetic energy associated with random molecular motion
potential energy
energy resulting from condition, position, or composition
chemical energy
potential energy stored in the bonds of chemical bonds
internal energy of a system
the sum of all the kinetic and potential energies of the system (sum of heat and work)
heat
transfer of thermal energy between a system and its surroundings due to temperature difference
enthalpy
total heat content of a system
molecular geometry: 5 bonding pairs, 1 lone pair
square pyramidal
usually polar
Fluorine, Oxygen, Nitrogen, Chlorine
polar shapes
non-polar shapes
bond angles for hybrid orbitals
Note 
Flashcard (22)