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Curium vs Indium

Curium
Indium
Indium vs Curium


Periodic Table
Symbol
Cm  
In  
Group Number
Not Available  
13  
5
Period Number
7  
5  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440519  
36
7440746  
17
Space Group Name
Not Available  
I4/mmm  
Space Group Number
Not Available  
139.00  
8
Facts
Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
Sources
Bombarding Plutonium with Helium Ions  
Mining, Ores of metals  
History
  
  
Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso  
Ferdinand Reich and Hieronymous Theodor Richter  
Discovery
In 1944  
In 1863  
Abundance
  
  
Abundance In Universe
Not Available  
3 * 10-8 %  
28
Abundance In Sun
~-9999 %  
~0.0000004 %  
23
Abundance In Meteorites
Not Available  
0.00 %  
99+
Abundance In Earth's Crust
Not Available  
0.00 %  
99+
Abundance In Oceans
Not Available  
0.00 %  
99+
Uses
Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  
  • It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
  • Its nitride, phosphide and antimonide are used in transistors and microchips.
  
Industrial Uses
NA  
Aerospace Industry, Automobile Industry  
Medical Uses
NA  
Medical Research  
Other Uses
Research Purposes  
Alloys, In Nuclear Reactors  
Biological Properties
  
  
Toxicity
Unknown  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
Not Available  
In Bone
0.00 p.p.m.  
36
Not Available  
Physical Properties
Melting Point
1,340.00 °C  
34
156.61 °C  
99+
Boiling Point
3,110.00 °C  
30
2,000.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery Gray  
Luster
Metallic  
Lustrous  
Hardness
  
  
Mohs Hardness
Not Available  
1.20  
20
Brinell Hardness
Not Available  
8.80 MPa  
99+
Speed of Sound
Not Available  
1,215.00 m/s  
99+
Optical Properties
  
  
Allotropes
No  
No  
α Allotropes
Not Available  
Not Available  
β Allotropes
Not Available  
Not Available  
γ Allotropes
Not Available  
Not Available  
Chemical Properties
Chemical Formula
Cm  
In  
Isotopes
  
  
Known Isotopes
15  
24
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.30  
32
1.78  
16
Sanderson Electronegativity
Not Available  
2.14  
8
Allred Rochow Electronegativity
1.20  
27
1.49  
13
Mulliken-Jaffe Electronegativity
Not Available  
1.76  
10
Allen Electronegativity
Not Available  
1.66  
18
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.22  
38
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol  
99+
558.30 kJ/mol  
99+
2nd Energy Level
1,196.00 kJ/mol  
99+
1,820.70 kJ/mol  
18
3rd Energy Level
2,026.00 kJ/mol  
99+
2,704.00 kJ/mol  
39
4th Energy Level
3,550.00 kJ/mol  
99+
5,210.00 kJ/mol  
17
Electrochemical Equivalent
3.07 g/amp-hr  
16
1.43 g/amp-hr  
99+
Electron Work Function
Not Available  
4.12 eV  
24
Other Chemical Properties
Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic Properties
Atomic Number
96  
22
49  
99+
Electron Configuration
[Rn] 5f7 6d1 7s2  
[Kr] 4d10 5s2 5p1  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Tetragonal (TETR)  
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100  
TETR-Crystal-Structure-of-Indium.jpg#100  
Atom
  
  
Number of Protons
96  
22
49  
99+
Number of Neutrons
151  
10
66  
99+
Number of Electrons
96  
22
49  
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm  
20
167.00 pm  
24
Covalent Radius
169.00 pm  
26
142.00 pm  
99+
Van der Waals Radius
200.00 pm  
28
193.00 pm  
31
Atomic Weight
247.00 amu  
18
114.82 amu  
99+
Atomic Volume
18.28 cm3/mol  
26
15.70 cm3/mol  
33
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Cadmium
  
Next Element
Berkelium
  
Tin
  
Valence Electron Potential
44.50 (-eV)  
38
54.00 (-eV)  
25
Lattice Constant
Not Available  
325.23 pm  
99+
Lattice Angles
NA  
π/2, π/2, π/2  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
13.51 g/cm3  
25
7.31 g/cm3  
99+
Density When Liquid (at m.p.)
13.85 g/cm3  
10
7.02 g/cm3  
33
Tensile Strength
Not Available  
2.50 MPa  
21
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available  
0.01 (Pa)  
11
Elasticity properties
  
  
Young's Modulus
Not Available  
11.00 GPa  
99+
Poisson Ratio
Not Available  
Not Available  
Other Mechanical Properties
Unknown  
Ductile, Malleable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
13.51  
17
7.31  
99+
Magnetic Ordering
Antiferromagnetic  
Diamagnetic  
Electrical Properties
  
  
Electrical Property
Unknown  
Conductor  
Resistivity
1.25 nΩ·m  
99+
83.70 nΩ·m  
34
Electrical Conductivity
Not Available  
0.12 106/cm Ω  
17
Electron Affinity
Not Available  
28.90 kJ/mol  
31
Thermal Properties
Specific Heat
Not Available  
0.23 J/(kg K)  
27
Molar Heat Capacity
Not Available  
26.74 J/mol·K  
25
Thermal Conductivity
Not Available  
81.80 W/m·K  
21
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
32.10 µm/(m·K)  
9
Enthalpy
  
  
Enthalpy of Vaporization
Not Available  
226.40 kJ/mol  
40
Enthalpy of Fusion
15.00 kJ/mol  
21
3.28 kJ/mol  
99+
Enthalpy of Atomization
Not Available  
242.70 kJ/mol  
99+
Standard Molar Entropy
Not Available  
57.80 J/mol.K  
22
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