Periodic Table Element Comparison: Compare Elements - Samarium vs Lutetium
Compare Samarium and Lutetium
Compare Samarium and Lutetium 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 Samarium vs Lutetium with most reliable information about their properties, attributes, facts, uses etc. You can compare Sm vs Lu on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.
Facts
Name |
Atomic Number |
Atomic Symbol |
Atomic Weight |
Phase |
Color |
Classification |
Group in Periodic Table |
Group Name |
Period in Periodic Table |
Block in Periodic Table |
Electronic Configuration |
Melting Point |
Boiling Point |
Electronic Shell Structure |
CAS Number |
Neighborhood Elements |
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 |
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 |
History
History |
The element Samarium was discovered by Lecoq de Boisbaudran in year 1879 in France. Samarium derived its name from from Samarskite, the name of the mineral from which it was first isolated |
The element Lutetium was discovered by Georges Urbain in year 1907 in France and Germany. Lutetium derived its name derived its name from from Lutetia, the Latin name for Paris |
Presence: Abundance in Nature and Around Us
5×10-7% |
1×10-7% |
1.7e-07 |
6e-06 |
4.5×10-11% |
N/A |
1×10-8% |
1×10-7% |
2.9×10-6% |
5.6e-07 |
1.5×10-11% |
N/A |
Crystal Structure and Atomic Structure
Atomic Radius |
Atomic Volume |
Covalent Radius |
Van der Waals Radius |
Neutron Cross Section |
Atomic Spectrum |
Lattice Constant |
Lattice Angle |
Space Group Name |
Space Group Number |
Crystal Structure |
238 pm |
20.448796409629 cm3 |
N/A |
N/A |
5.9×103 |
![]() |
362.1, 362.1, 2625 pm |
π/2, π/2, 2 π/3 |
R_ 3m |
166 |
Simple Trigonal ![]() |
217 pm |
17.779392338177 cm3 |
160 pm |
N/A |
84 |
![]() |
350.31, 350.31, 555.09 pm |
π/2, π/2, 2 π/3 |
P63/mmc |
194 |
Simple Hexagonal ![]() |
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 |
62 |
62 |
62 |
150.36 |
88.36 |
2, 8, 18, 24, 8, 2 |
[Xe] 4f6 6s2 |
4f6 6s2 |
2;3 |
7F0 |
![]() |
71 |
71 |
71 |
174.967 |
103.967 |
2, 8, 18, 32, 9, 2 |
[Xe] 4f14 5d1 6s2 |
5d1 6s2 |
2;3 |
2D3/2 |
![]() |
Isotopes - Nuclear Properties
Isotopes |
Naturally occurring stable
isotopes: 144Sm, 149Sm, 150Sm, 152Sm, 154Sm. |
Naturally occurring stable
isotopes: 175Lu. |
Chemical Properties: Ionization Energies and electron affinity
3 |
1.17 |
50 kJ/mol |
544.5, 1070, 2260, 3990 kJ/mol |
3 |
1.27 |
50 kJ/mol |
523.5, 1340, 2022.3, 4370, 6445 kJ/mol |
Physical Properties
Density |
Molar Volume |
Elastic Properties |
Young Modulus |
Shear Modulus |
Bulk Modulus |
Poisson Ratio |
Hardness - Tests to Measure of Hardness of Element |
Mohs Hardness |
Vickers Hardness |
Brinell Hardness |
Electrical Properties |
Electrical Conductivity |
Resistivity |
Superconducting Point |
Heat and Conduction Properties |
Thermal Conductivity |
Thermal Expansion |
Magnetic Properties |
Magnetic Type |
Curie Point |
Mass Magnetic Susceptibility |
Molar Magnetic Susceptibility |
Volume Magnetic Susceptibility |
Optical Properties |
Refractive Index |
Acoustic Properties |
Speed of Sound |
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 |
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 |
Thermal Properties - Enthalpies and thermodynamics
1072 °C |
1803 °C |
N/A |
N/A |
8.6 kJ/mol |
175 kJ/mol |
N/A |
1663 °C |
3402 °C |
N/A |
0.1 |
22 kJ/mol |
415 kJ/mol |
N/A |
Regulatory and Health - Health and Safety Parameters and Guidelines
CAS Number |
RTECS Number |
DOT Hazard Class |
DOT Numbers |
EU Number |
NFPA Fire Rating |
NFPA Hazards |
NFPA Health Rating |
NFPA Reactivity Rating |
More |
AutoIgnition Point |
Flashpoint |
CAS7440-19-9 |
N/A |
4.1 |
1325 |
N/A |
1 |
N/A |
1 |
1 |
150 °C |
N/A |
CAS7439-94-3 |
N/A |
4.1 |
3089 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |