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Periodic Table Element Comparison: Compare Elements - Europium vs Samarium

Compare Europium and Samarium

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

Facts

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
Samarium
62
Sm
150.36
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f6 6s2
1072 °C
1803 °C
2, 8, 18, 24, 8, 2
CAS7440-19-9
Neighborhood Elements of Samarium

History

History
The element Europium was discovered by Eugène-Anatole Demarçay in year 1901 in France. Europium derived its name from from Europe
The element Samarium was discovered by Lecoq de Boisbaudran in year 1879 in France. Samarium derived its name derived its name from from Samarskite, the name of the mineral from which it was first isolated

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
5×10-8%
5×10-8%
5.9×10-6%
1.8e-06
1.3×10-11%
N/A
5×10-7%
1×10-7%
1.7e-07
6e-06
4.5×10-11%
N/A

Crystal Structure and Atomic 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
238 pm
20.448796409629 cm3
N/A
N/A
5.9×103
samarium Spectrum
362.1, 362.1, 2625 pm
π/2, π/2, 2 π/3
R_ 3m
166

Simple Trigonal

samarium 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
63
63
63
151.964
88.964
2, 8, 18, 25, 8, 2
[Xe] 4f7 6s2
4f7 6s2
 2;3
8S7/2
europium Shells
62
62
62
150.36
88.36
2, 8, 18, 24, 8, 2
[Xe] 4f6 6s2
4f6 6s2
 2;3
7F0
samarium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
151Eu, 153Eu.
Naturally occurring stable isotopes:
144Sm, 149Sm, 150Sm, 152Sm, 154Sm.

Chemical Properties: Ionization Energies and electron affinity

3
N/A
50 kJ/mol
547.1, 1085, 2404, 4120 kJ/mol
3
1.17
50 kJ/mol
544.5, 1070, 2260, 3990 kJ/mol

Physical Properties

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
7.353 g/cm3
20.448796409629

 

50 GPa
20 GPa
38 GPa
0.27


 

N/A
412 MPa
441 MPa

 

1.1×106 S/m
9.4×10-7 m Ω
N/A

 

13 W/(m K)
0.0000127 K-1

 

Paramagnetic
N/A
1.11×10-7
1.669×10-8
0.00081618

 

N/A

 

2130 m/s

Thermal Properties - Enthalpies and thermodynamics

822 °C
1527 °C
N/A
N/A

 

9.2 kJ/mol
175 kJ/mol
N/A
1072 °C
1803 °C
N/A
N/A

 

8.6 kJ/mol
175 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

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

 

N/A
N/A
CAS7440-19-9
N/A
4.1
1325
N/A
1
N/A
1
1

 

150 °C
N/A