Chemistry-Exam 5
5.0(1)
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57 Terms
1
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electron geometry: two bonding groups, no lone pairs
linear
2
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molecular geometry: 2 bonding groups, no lone pairs
linear
3
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Linear Bond Angles
180
4
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electron geometry: 3 bonding groups, no lone pairs
trigonal planar
5
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molecular geometry: 3 bonding groups, no lone pairs
trigonal planar
6
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trigonal planar bond angles
120
7
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electron geometry: 2 bonding groups, 1 lone pair
trigonal planar
8
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molecular geometry: 2 bonding groups, 1 lone pair
bent
9
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bent bond angles
10
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electron geometry: 4 bonding groups, no lone pairs
tetrahedral
11
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molecular geometry: 4 bonding groups, no lone pairs
tetrahedral
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tetrahedral bond angles
109.5
13
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electron geometry: 3 bonding pairs, 1 lone pair
tetrahedral
14
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molecular geometry: 3 bonding pairs, 1 lone pair
trigonal pyramidal
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trigonal pyramidal bond angles
16
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electron geometry: 2 bonding groups, 2 lone pairs
tetrahedral
17
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molecular geometry: two bonding pairs, two lone pairs
bent
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electron geometry: 5 bonding pairs, no lone pairs
trigonal bipyramidal
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molecular geometry: 5 bonding pairs, no lone pairs
trigonal bipyramidal
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trigonal bipyramidal bond angles
120 (equatorial) and 90 (axial)
21
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electron geometry: 4 bonding pairs, 1 lone pair
trigonal bipyramidal
22
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molecular geometry: 4 bonding pairs, 1 lone pair
seesaw
23
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seesaw bond angles
24
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electron geometry: 3 bonding pairs, 2 lone pairs
trigonal bypyramidal
25
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molecular geometry: 3 bonding pairs, 2 lone pairs
t-shaped
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t-shaped bond angles
90
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electron geometry: 2 bonding pairs, 3 lone pairs
trigonal bipyramidal
28
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molecular geometry: 2 bonding pairs, 3 lone pairs
linear
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electron geometry: 6 bonding pairs, 0 lone pairs
octahedral
30
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molecular geometry: 6 bonding pairs, 0 lone pairs
octahedral
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octahedral bond angles
90
32
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electron geometry: 5 bonding pairs, 1 lone pair
octahedral
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square pyramidal bond angles
34
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electron geometry: 4 bonding pairs, two lone pairs
octahedral
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molecular geometry: 4 bonding pairs, 2 lone pairs
square planar
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square planar bond angles
90
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polar covalent bond
two elements or compounds bond covalently but have difference in electronegativity
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polar bond
the difference in electronegativity is between 0.5 and 2.0
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system
the part of the universe chosen to study
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surroundings
everything other than the system
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open system
energy and matter are freely exchanged between the system and its surroundings
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closed system
energy can be exchanged between the system and its surroundings, but matter cannot
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isolated system
neither energy nor matter can be exchanged between the system and its surroundings
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energy
ability to do work
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work
force acting over a distance
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kinetic energy
energy of movement
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thermal energy
kinetic energy associated with random molecular motion
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potential energy
energy resulting from condition, position, or composition
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chemical energy
potential energy stored in the bonds of chemical bonds
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internal energy of a system
the sum of all the kinetic and potential energies of the system (sum of heat and work)
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heat
transfer of thermal energy between a system and its surroundings due to temperature difference
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enthalpy
total heat content of a system
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molecular geometry: 5 bonding pairs, 1 lone pair
square pyramidal
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usually polar
Fluorine, Oxygen, Nitrogen, Chlorine
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polar shapes
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non-polar shapes
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bond angles for hybrid orbitals