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Curium vs Tin

Curium
Tin
Tin vs Curium


Periodic Table
Symbol
Cm  
Sn  
Group Number
3  
15
14  
4
Period Number
7  
5  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440519  
36
7440315  
99+
Space Group Name
-  
I41/amd  
Space Group Number
225.00  
3
141.00  
10
Facts
Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Bombarding Plutonium with Helium Ions  
Found in Minerals, Mining  
History
  
  
Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso  
-  
Discovery
In 1944  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
35
0.00 %  
21
Abundance In Sun
0.00 %  
30
0.00 %  
19
Abundance In Meteorites
0.00 %  
99+
0.00 %  
24
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
34
Abundance In Oceans
-  
0.00 %  
26
Abundance In Humans
0.00 %  
24
0.00 %  
15
Uses
Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Research Purposes  
-  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
1,340.00 °C  
34
231.90 °C  
99+
Boiling Point
3,110.00 °C  
31
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
2.00  
17
1.50  
19
Brinell Hardness
320.00 MPa  
40
50.00 MPa  
99+
Vickers Hardness
461.00 MPa  
37
50.00 MPa  
99+
Speed of Sound
2,260.00 m/s  
99+
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
2.40  
7
Reflectivity
60.00 %  
23
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Cm  
Sn  
Isotopes
  
  
Known Isotopes
15  
24
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.96  
9
Sanderson Electronegativity
1.30  
25
1.49  
19
Allred Rochow Electronegativity
1.20  
28
1.72  
5
Mulliken-Jaffe Electronegativity
1.30  
33
2.21  
5
Allen Electronegativity
1.30  
40
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.04  
99+
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
1,196.00 kJ/mol  
99+
1,411.80 kJ/mol  
99+
3rd Energy Level
2,026.00 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
3,550.00 kJ/mol  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
5,810.00 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
7th Energy level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
6,690.00 kJ/mol  
37
7,080.00 kJ/mol  
32
10th Energy Level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
36
11th Energy Level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
58,100.00 kJ/mol  
19
7,080.00 kJ/mol  
99+
13th Energy Level
5,810.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
5,810.00 kJ/mol  
40
708.60 kJ/mol  
99+
15th Energy Level
58,100.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
58,100.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
5,810.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
581.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
5,810.00 kJ/mol  
20
708.60 kJ/mol  
99+
22nd Energy Level
581.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
5,810.00 kJ/mol  
20
708.60 kJ/mol  
99+
24th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
581.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
3.07 g/amp-hr  
19
1.11 g/amp-hr  
99+
Electron Work Function
4.50 eV  
19
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes  
Ionization, Solubility  
Atomic
Atomic Number
96  
22
50  
99+
Electron Configuration
[Rn] 5f7 6d1 7s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Tetragonal (TETR)  
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
96  
22
50  
99+
Number of Neutrons
151  
11
69  
99+
Number of Electrons
96  
22
50  
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm  
22
140.00 pm  
40
Covalent Radius
169.00 pm  
28
139.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
217.00 pm  
29
Atomic Weight
247.00 amu  
18
118.71 amu  
99+
Atomic Volume
18.28 cm3/mol  
38
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Indium
  
Next Element
Berkelium
  
Cesium
  
Valence Electron Potential
44.50 (-eV)  
39
83.50 (-eV)  
14
Lattice Constant
336.25 pm  
99+
583.18 pm  
7
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.67  
11
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
13.51 g/cm3  
26
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
13.85 g/cm3  
25
6.99 g/cm3  
99+
Tensile Strength
350.00 MPa  
12
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
32.00 GPa  
24
18.00 GPa  
99+
Bulk Modulus
40.00 GPa  
38
58.00 GPa  
21
Young's Modulus
0.00 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.35  
9
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.51  
28
7.31  
99+
Magnetic Ordering
Antiferromagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
1.25 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.13 106/cm Ω  
19
0.09 106/cm Ω  
28
Electron Affinity
0.00 kJ/mol  
99+
107.30 kJ/mol  
9
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.23 J/(kg K)  
28
Molar Heat Capacity
27.50 J/mol·K  
21
27.11 J/mol·K  
26
Thermal Conductivity
11.00 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
1,340.00 K  
99+
505.00 K  
99+
Thermal Expansion
11.60 µm/(m·K)  
99+
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
331.60 kJ/mol  
40
290.40 kJ/mol  
99+
Enthalpy of Fusion
15.00 kJ/mol  
22
7.03 kJ/mol  
99+
Enthalpy of Atomization
-  
301.30 kJ/mol  
99+
Standard Molar Entropy
52.50 J/mol.K  
36
51.20 J/mol.K  
40
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