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Periodic Table Element Comparison: Compare Elements - Thulium vs Europium

Compare Thulium and Europium

Compare Thulium and Europium 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 Thulium vs Europium with most reliable information about their properties, attributes, facts, uses etc. You can compare Tm vs Eu on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Thulium
69
Tm
168.93421
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f13 6s2
1545 °C
1950 °C
2, 8, 18, 31, 8, 2
CAS7440-30-4
Neighborhood Elements of Thulium
Europium
63
Eu
151.964
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f7 6s2
822 °C
1527 °C
2, 8, 18, 25, 8, 2
CAS7440-53-1
Neighborhood Elements of Europium

History

History
The element Thulium was discovered by Per Teodor Cleve in year 1879 in Sweden. Thulium derived its name from from Thule, the ancient name for Scandinavia
The element Europium was discovered by Eugène-Anatole Demarçay in year 1901 in France. Europium derived its name derived its name from from Europe

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
1×10-8%
2×10-8%
2.9×10-6%
4.5e-07
2×10-11%
N/A
5×10-8%
5×10-8%
5.9×10-6%
1.8e-06
1.3×10-11%
N/A

Crystal Structure and Atomic Structure

222 pm
18.124043557558 cm3
N/A
N/A
105
thulium Spectrum
353.75, 353.75, 555.46 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

thulium Crystal Structure
231 pm
28.978642257818 cm3
N/A
N/A
4450
europium Spectrum
458.1, 458.1, 458.1 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

europium 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
69
69
69
168.93421
99.93421
2, 8, 18, 31, 8, 2
[Xe] 4f13 6s2
4f13 6s2
 2;3
2F7/2
thulium Shells
63
63
63
151.964
88.964
2, 8, 18, 25, 8, 2
[Xe] 4f7 6s2
4f7 6s2
 2;3
8S7/2
europium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
169Tm.
Naturally occurring stable isotopes:
151Eu, 153Eu.

Chemical Properties: Ionization Energies and electron affinity

3
1.25
50 kJ/mol
596.7, 1160, 2285, 4120 kJ/mol
3
N/A
50 kJ/mol
547.1, 1085, 2404, 4120 kJ/mol

Physical Properties

9.321 g/cm3
18.124043557558

 

74 GPa
31 GPa
45 GPa
0.21


 

N/A
520 MPa
471 MPa

 

1.4×106 S/m
7×10-7 m Ω
N/A

 

17 W/(m K)
0.0000133 K-1

 

Paramagnetic
25 K
1.99×10-6
3.36179×10-7
0.0185488

 

N/A

 

N/A
5.244 g/cm3
28.978642257818

 

18 GPa
7.9 GPa
8.3 GPa
0.15


 

N/A
167 MPa
N/A

 

1.1×106 S/m
9×10-7 m Ω
N/A

 

14 W/(m K)
0.000035 K-1

 

Paramagnetic
N/A
2.76×10-7
4.1942×10-8
0.0014473

 

N/A

 

N/A

Thermal Properties - Enthalpies and thermodynamics

1545 °C
1950 °C
N/A
N/A

 

16.8 kJ/mol
250 kJ/mol
N/A
822 °C
1527 °C
N/A
N/A

 

9.2 kJ/mol
175 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-30-4
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-53-1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A