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Samarium vs Moscovium


Moscovium vs Samarium


Periodic Table

Symbol
Sm  
Mc  

Group Number
3  
15
15  
3

Period Number
6  
7  

Block
f block  
p block  

Element Family
Lanthanide  
Probably Post-​Transition  

CAS Number
7440199  
99+
54085642  
4

Space Group Name
R_ 3m  
-  

Space Group Number
166.00  
9
194.00  
7

Facts

Interesting Facts
  • Samarium metals helps stimulating body metabolism.
  • Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
  
Moscovium is named after Moscow, where the Joint Institute for Nuclear Research is located.  

Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  

History
  
  

Who Discovered
Lecoq de Boisbaudran  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  

Discovery
In 1879  
In 2003  

Abundance
  
  

Abundance In Universe
0.00 %  
20
0.00 %  
40

Abundance In Sun
0.00 %  
26
-  

Abundance In Meteorites
0.00 %  
37
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
29
-  

Abundance In Oceans
0.00 %  
40
-  

Abundance In Humans
0.00 %  
24
-  

Uses

Uses & Benefits
  • Magnets of Samarium cobalt alloy are stronger than that of Iron and hence, they are used in microwave application.
  • Samarium metal also used in optical lasers and infrared absorbing glasses and as a neutron absorber.
  
  • Currently known uses of Ununpentium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
-  

Medical Uses
-  
-  

Other Uses
Alloys, In Nuclear Reactors  
Research Purposes  

Biological Properties
  
  

Toxicity
Slightly Toxic  
-  

Present in Human Body
Yes  
No  

In Blood
0.01 Blood/mg dm-3  
22
0.00 Blood/mg dm-3  
30

In Bone
0.00 p.p.m.  
99+
0.30 p.p.m.  
26

Physical

Melting Point
1,072.00 °C  
99+
400.00 °C  
99+

Boiling Point
1,900.00 °C  
99+
1,100.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
-  

Luster
Lustrous  
Unknown Luster  

Hardness
  
  

Mohs Hardness
5.50  
7
-  

Brinell Hardness
441.00 MPa  
32
700.00 MPa  
17

Vickers Hardness
412.00 MPa  
40
400.00 MPa  
99+

Speed of Sound
2,130.00 m/s  
99+
3,790.00 m/s  
28

Optical Properties
  
  

Refractive Index
1.80  
22
1.70  
27

Reflectivity
65.00 %  
18
67.00 %  
16

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Sm  
Mc  

Isotopes
  
  

Known Isotopes
30  
9
5  
32

Electronegativity
  
  

Pauling Electronegativity
1.17  
99+
2.20  
5

Sanderson Electronegativity
1.17  
33
1.90  
13

Allred Rochow Electronegativity
1.07  
33
1.90  
1

Mulliken-Jaffe Electronegativity
1.17  
40
1.20  
39

Allen Electronegativity
1.17  
99+
1.20  
99+

Electropositivity
  
  

Pauling Electropositivity
2.83  
14
2.20  
39

Ionization Energies
  
  

1st Energy Level
544.50 kJ/mol  
99+
538.40 kJ/mol  
99+

2nd Energy Level
1,070.00 kJ/mol  
99+
1,756.00 kJ/mol  
25

3rd Energy Level
2,260.00 kJ/mol  
99+
2,653.30 kJ/mol  
99+

4th Energy Level
3,990.00 kJ/mol  
99+
4,679.50 kJ/mol  
34

5th Energy Level
5,445.00 kJ/mol  
99+
5,721.60 kJ/mol  
99+

6th Energy Level
5,445.00 kJ/mol  
99+
6,700.00 kJ/mol  
99+

7th Energy level
5,445.00 kJ/mol  
99+
6,700.00 kJ/mol  
99+

8th Energy Level
5,400.00 kJ/mol  
99+
6,700.00 kJ/mol  
39

9th Energy Level
5,440.00 kJ/mol  
99+
6,700.00 kJ/mol  
36

10th Energy Level
5,445.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+

11th Energy Level
5,445.00 kJ/mol  
99+
6,500.00 kJ/mol  
99+

12th Energy Level
5,440.00 kJ/mol  
99+
67,000.00 kJ/mol  
6

13th Energy Level
5,445.00 kJ/mol  
99+
7,600.00 kJ/mol  
23

14th Energy Level
5,450.00 kJ/mol  
99+
1,139.00 kJ/mol  
99+

15th Energy Level
54,450.00 kJ/mol  
99+
67,000.00 kJ/mol  
33

16th Energy Level
54,400.00 kJ/mol  
99+
54,000.00 kJ/mol  
99+

17th Energy Level
544.50 kJ/mol  
99+
540.10 kJ/mol  
99+

18th Energy Level
5,445.00 kJ/mol  
99+
3,200.00 kJ/mol  
99+

19th Energy Level
544.50 kJ/mol  
99+
540.10 kJ/mol  
99+

20th Energy Level
624.00 kJ/mol  
99+
830.00 kJ/mol  
20

21st Energy Level
544.50 kJ/mol  
99+
1,085.00 kJ/mol  
31

22nd Energy Level
624.00 kJ/mol  
37
540.00 kJ/mol  
99+

23rd Energy Level
544.50 kJ/mol  
99+
6,100.00 kJ/mol  
16

24th Energy Level
544.50 kJ/mol  
99+
540.20 kJ/mol  
99+

25th Energy Level
544.00 kJ/mol  
99+
700.00 kJ/mol  
31

26th Energy Level
544.50 kJ/mol  
99+
670.00 kJ/mol  
30

27th Energy Level
544.50 kJ/mol  
99+
670.00 kJ/mol  
31

28th Energy Level
544.50 kJ/mol  
99+
670.00 kJ/mol  
36

29th Energy Level
544.50 kJ/mol  
99+
670.00 kJ/mol  
37

30th Energy Level
544.00 kJ/mol  
99+
670.00 kJ/mol  
32

Electrochemical Equivalent
1.87 g/amp-hr  
38
3.00 g/amp-hr  
21

Electron Work Function
2.70 eV  
99+
4.10 eV  
32

Other Chemical Properties
Ionization, Radioactive Isotopes  
Chemical Stability, Ionization  

Atomic

Atomic Number
62  
99+
115  
3

Electron Configuration
[Xe] 4f6 6s2  
[Rn] 5f14 6d10 7s2 7p3  

Crystal Structure
Rhombohedral (RHO)  
Not Known  

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100  
Unknown-Crystal-Structure-of-Ununpentium.jpg#100  

Atom
  
  

Number of Protons
62  
99+
115  
3

Number of Neutrons
88  
40
159  
6

Number of Electrons
62  
99+
115  
3

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
170.00 pm  
24

Covalent Radius
198.00 pm  
13
170.00 pm  
27

Van der Waals Radius
229.00 pm  
25
320.00 pm  
3

Atomic Weight
150.36 amu  
99+
289.00 amu  
3

Atomic Volume
19.95 cm3/mol  
31
22.60 cm3/mol  
19

Adjacent Atomic Numbers
  
  

Previous Element
Flerovium
  

Next Element
Europium
  

Valence Electron Potential
44.80 (-eV)  
38
5.30 (-eV)  
99+

Lattice Constant
362.10 pm  
37
0.00 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.62  
15
1.70  
8

Mechanical

Density
  
  

Density At Room Temperature
7.52 g/cm3  
99+
4.51 g/cm3  
99+

Density When Liquid (at m.p.)
7.16 g/cm3  
99+
13.50 g/cm3  
28

Tensile Strength
50.00 MPa  
38
80.00 MPa  
29

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.94 (Pa)  
9
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
29
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
19.50 GPa  
99+
-  

Bulk Modulus
37.80 GPa  
99+
0.00 GPa  
99+

Young's Modulus
49.70 GPa  
40
11.80 GPa  
99+

Poisson Ratio
0.27  
19
0.30  
14

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
7.52  
99+
13.50  
29

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
9
0.00 H/m  
8

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
-  

Resistivity
0.94 nΩ·m  
99+
0.35 nΩ·m  
99+

Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+

Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26

Thermal

Specific Heat
0.20 J/(kg K)  
32
0.13 J/(kg K)  
40

Molar Heat Capacity
29.54 J/mol·K  
9
27.00 J/mol·K  
29

Thermal Conductivity
13.30 W/m·K  
99+
0.37 W/m·K  
99+

Critical Temperature
1,345.00 K  
99+
1,100.00 K  
99+

Thermal Expansion
12.70 µm/(m·K)  
39
12.50 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
166.40 kJ/mol  
99+
420.30 kJ/mol  
21

Enthalpy of Fusion
8.62 kJ/mol  
99+
-  

Enthalpy of Atomization
209.00 kJ/mol  
99+
395.60 kJ/mol  
28

Standard Molar Entropy
69.60 J/mol.K  
15
50.00 J/mol.K  
99+

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