Exam 4 Study Flashcards
for Z = 1 - 20
stable N/Z = 1
for Z = 20 - 40
stable N/Z approaches 1.25
for Z = 40 - 80
stable N/Z approaches 1.5
for Z > 83
there are no stable nuclei
strong field ligands
CN- > NO2- > en > NH3
weak field ligands
H2O > OH- > F- > Cl- > Br- > I-
size of energy gap increase as the charge on the metal cation _________
increases (Co3+ > Cr3+ > Fe3+ > Fe2+ > Co2+ > Ni2+ > Mn2+)
only electron configurations of _, _, _, or _ can have low or high spin
d4, d5, d6, or d7
h =
6.626E-34 Js
c =
3E8 m/s
E =
hc/lambda
Simple Cubic Cell
Atoms per cell
1
Simple Cubic Cell
Coordination number
6
Simple Cubic Cell
Edge length in terms of r
2r
Simple Cubic Cell
Packing efficiency
52%
Body Centered Cubic Cell
Atoms per cell
2
Body Centered Cubic Cell
Coordination number
8
Body Centered Cubic Cell
Edge length in terms of r
4r/sqrt3
Body Centered Cubic Cell
Packing efficiency
68%
Face Centered Cubic Cell
Atoms per unit cell
4
Face Centered Cubic Cell
Coordination number
12
Face Centered Cubic Cell
Edge length in terms of r
2sqrt2(r)
Face Centered Cubic Cell
Packing efficiency
74%
purple wavelengths
400 nm - 430 nm
blue wavelengths
430 nm - 490 nm
green wavelengths
490 nm - 560 nm
yellow wavelengths
560 nm - 580 nm
orange wavelengths
580 nm - 650 nm
red wavelengths
650 nm - 750 nm
Irregular Electron Configurations
expected: Cr = [Ar]4s^2 3d^4
found experimentally:
Cr = [Ar]4s^1 3d^5
Irregular Electron Configurations
expected: Cu = [Ar]4s^2 3d^9
found experimentally: Cu = [Ar]4s^1 3d^10
Irregular Electron Configurations
expected: Mo = [Kr]5s^2 4d^4
found experimentally: Mo = [Kr]5s^1 4d^5
Irregular Electron Configurations
expected: Ru = [Kr]5s^2 4d^6
found experimentally: [Kr]5s^1 4d^7
Irregular Electron Configurations
expected: Pd = [Kr]5s^2 4d^8
found experimentally: Pd = [Kr]5s^0 4d^10
diamagnetic
low spin
paramagnetic
high spin
