;

Periodic Table Element Comparison: Compare Elements - Lutetium vs Erbium

Compare Lutetium and Erbium

Compare Lutetium and Erbium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Lutetium vs Erbium with most reliable information about their properties, attributes, facts, uses etc. You can compare Lu vs Er on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Lutetium
71
Lu
174.967
Solid
Silver
lanthanide
3
scandium family 
6
d
[Xe] 4f14 5d1 6s2
1663 °C
3402 °C
2, 8, 18, 32, 9, 2
CAS7439-94-3
Neighborhood Elements of Lutetium
Erbium
68
Er
167.259
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f12 6s2
1497 °C
2868 °C
2, 8, 18, 30, 8, 2
CAS7440-52-0
Neighborhood Elements of Erbium

History

History
The element Lutetium was discovered by Georges Urbain in year 1907 in France and Germany. Lutetium derived its name from from Lutetia, the Latin name for Paris
The element Erbium was discovered by Carl Gustaf Mosander in year 1842 in Sweden. Erbium derived its name derived its name from from Ytterby, Sweden

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
1×10-8%
1×10-7%
2.9×10-6%
5.6e-07
1.5×10-11%
N/A
2×10-7%
1×10-7%
1.8e-07
3e-06
9×10-11%
N/A

Crystal Structure and Atomic Structure

217 pm
17.779392338177 cm3
160 pm
N/A
84
lutetium Spectrum
350.31, 350.31, 555.09 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

lutetium Crystal Structure
226 pm
18.449040370615 cm3
N/A
N/A
165
erbium Spectrum
355.88, 355.88, 558.74 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

erbium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
71
71
71
174.967
103.967
2, 8, 18, 32, 9, 2
[Xe] 4f14 5d1 6s2
5d1 6s2
 2;3
2D3/2
lutetium Shells
68
68
68
167.259
99.259
2, 8, 18, 30, 8, 2
[Xe] 4f12 6s2
4f12 6s2
 2;3
3H6
erbium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
175Lu.
Naturally occurring stable isotopes:
162Er, 164Er, 166Er, 167Er, 168Er, 170Er.

Chemical Properties: Ionization Energies and electron affinity

3
1.27
50 kJ/mol
523.5, 1340, 2022.3, 4370, 6445 kJ/mol
3
1.24
50 kJ/mol
589.3, 1150, 2194, 4120 kJ/mol

Physical Properties

9.841 g/cm3
17.779392338177

 

69 GPa
27 GPa
48 GPa
0.26


 

N/A
1160 MPa
893 MPa

 

1.8×106 S/m
5.6×10-7 m Ω
0.1

 

16 W/(m K)
9.9×10-6 K-1

 

Paramagnetic
N/A
1.2×10-9
2.1×10-10
1.18e-05

 

N/A

 

N/A
9.066 g/cm3
18.449040370615

 

70 GPa
28 GPa
44 GPa
0.24


 

N/A
589 MPa
814 MPa

 

1.2×106 S/m
8.6×10-7 m Ω
N/A

 

15 W/(m K)
0.0000122 K-1

 

Paramagnetic
32 K
3.77×10-6
6.30566×10-7
0.0341788

 

N/A

 

2830 m/s

Thermal Properties - Enthalpies and thermodynamics

1663 °C
3402 °C
N/A
0.1

 

22 kJ/mol
415 kJ/mol
N/A
1497 °C
2868 °C
N/A
N/A

 

19.9 kJ/mol
285 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7439-94-3
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-52-0
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A