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Mendelevium vs Indium

Mendelevium
Indium
Indium vs Mendelevium


Periodic Table
Symbol
Md  
In  
Group Number
3  
15
13  
5
Period Number
7  
5  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440111  
99+
7440746  
17
Space Group Name
-  
I4/mmm  
Space Group Number
194.00  
7
139.00  
11
Facts
Interesting Facts
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
Sources
Bombarding Einsteinium with Helium Ions  
Mining, Ores of metals  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
Ferdinand Reich and Hieronymous Theodor Richter  
Discovery
In 1955  
In 1863  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
29
Abundance In Sun
-  
0.00 %  
23
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
0.00 %  
99+
Abundance In Humans
0.00 %  
24
0.00 %  
16
Uses
Uses & Benefits
  • Currently known uses of Mendelevium metal are limited to research purpose only.
  
  • 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
-  
Aerospace Industry, Automobile Industry  
Medical Uses
-  
Medical Research  
Other Uses
-  
Alloys, In Nuclear Reactors  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
827.00 °C  
99+
156.61 °C  
99+
Boiling Point
0.00 °C  
99+
2,000.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery Gray  
Luster
Metallic  
Lustrous  
Hardness
  
  
Mohs Hardness
-  
1.20  
21
Brinell Hardness
350.00 MPa  
36
8.80 MPa  
99+
Vickers Hardness
0.00 MPa  
99+
0.01 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
1,215.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
3.41  
1
Reflectivity
66.00 %  
17
83.00 %  
6
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Md  
In  
Isotopes
  
  
Known Isotopes
16  
23
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.78  
17
Sanderson Electronegativity
1.30  
25
2.14  
9
Allred Rochow Electronegativity
1.20  
28
1.49  
14
Mulliken-Jaffe Electronegativity
1.30  
33
1.76  
18
Allen Electronegativity
1.30  
40
1.66  
21
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.22  
38
Ionization Energies
  
  
1st Energy Level
635.00 kJ/mol  
99+
558.30 kJ/mol  
99+
2nd Energy Level
1,235.00 kJ/mol  
99+
1,820.70 kJ/mol  
19
3rd Energy Level
2,470.00 kJ/mol  
99+
2,704.00 kJ/mol  
40
4th Energy Level
3,840.00 kJ/mol  
99+
5,210.00 kJ/mol  
26
5th Energy Level
6,350.00 kJ/mol  
36
5,580.00 kJ/mol  
99+
6th Energy Level
6,350.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
7th Energy level
6,350.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
8th Energy Level
6,350.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
9th Energy Level
6,350.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
10th Energy Level
6,350.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
11th Energy Level
6,400.00 kJ/mol  
99+
5,580.00 kJ/mol  
99+
12th Energy Level
60,100.00 kJ/mol  
16
5,580.00 kJ/mol  
99+
13th Energy Level
6,350.00 kJ/mol  
37
5,580.00 kJ/mol  
99+
14th Energy Level
1,150.00 kJ/mol  
99+
558.30 kJ/mol  
99+
15th Energy Level
63,500.00 kJ/mol  
37
55,800.00 kJ/mol  
99+
16th Energy Level
635.00 kJ/mol  
99+
558.30 kJ/mol  
99+
17th Energy Level
1,107.00 kJ/mol  
21
558.30 kJ/mol  
99+
18th Energy Level
6,350.00 kJ/mol  
39
5,580.00 kJ/mol  
99+
19th Energy Level
635.00 kJ/mol  
99+
558.30 kJ/mol  
99+
20th Energy Level
635.00 kJ/mol  
40
558.00 kJ/mol  
99+
21st Energy Level
6,350.00 kJ/mol  
13
558.30 kJ/mol  
99+
22nd Energy Level
635.00 kJ/mol  
34
558.00 kJ/mol  
99+
23rd Energy Level
6,350.00 kJ/mol  
13
5,581.00 kJ/mol  
24
24th Energy Level
635.00 kJ/mol  
36
558.30 kJ/mol  
99+
25th Energy Level
635.00 kJ/mol  
38
558.00 kJ/mol  
99+
26th Energy Level
635.00 kJ/mol  
37
558.30 kJ/mol  
99+
27th Energy Level
635.00 kJ/mol  
39
558.30 kJ/mol  
99+
28th Energy Level
635.00 kJ/mol  
99+
558.30 kJ/mol  
99+
29th Energy Level
635.00 kJ/mol  
99+
558.30 kJ/mol  
99+
30th Energy Level
635.00 kJ/mol  
40
558.00 kJ/mol  
99+
Electrochemical Equivalent
3.21 g/amp-hr  
13
1.43 g/amp-hr  
99+
Electron Work Function
3.89 eV  
37
4.12 eV  
31
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
101  
17
49  
99+
Electron Configuration
[Rn] 5f13 7s2  
[Kr] 4d10 5s2 5p1  
Crystal Structure
Not Known  
Tetragonal (TETR)  
Crystal Lattice
Unknown-Crystal-Structure-of-Mendelevium.jpg#100  
TETR-Crystal-Structure-of-Indium.jpg#100  
Atom
  
  
Number of Protons
101  
17
49  
99+
Number of Neutrons
157  
8
66  
99+
Number of Electrons
101  
17
49  
99+
Radius of an Atom
  
  
Atomic Radius
175.00 pm  
21
167.00 pm  
26
Covalent Radius
175.00 pm  
25
142.00 pm  
99+
Van der Waals Radius
246.00 pm  
12
193.00 pm  
38
Atomic Weight
258.00 amu  
14
114.82 amu  
99+
Atomic Volume
19.90 cm3/mol  
32
15.70 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Fermium
  
Cadmium
  
Next Element
Nobelium
  
Tin
  
Valence Electron Potential
63.70 (-eV)  
23
54.00 (-eV)  
26
Lattice Constant
-  
325.23 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.58  
36
1.56  
99+
Mechanical
Density
  
  
Density At Room Temperature
10.30 g/cm3  
38
7.31 g/cm3  
99+
Density When Liquid (at m.p.)
10.30 g/cm3  
39
7.02 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
2.50 MPa  
99+
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.01 (Pa)  
11
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
32.00 GPa  
24
18.00 GPa  
99+
Bulk Modulus
0.00 GPa  
99+
46.90 GPa  
27
Young's Modulus
12.00 GPa  
99+
11.00 GPa  
99+
Poisson Ratio
0.30  
14
0.44  
3
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.50  
29
7.31  
99+
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
34
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.63 nΩ·m  
99+
83.70 nΩ·m  
34
Electrical Conductivity
0.00 106/cm Ω  
99+
0.12 106/cm Ω  
20
Electron Affinity
50.00 kJ/mol  
26
28.90 kJ/mol  
37
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.23 J/(kg K)  
27
Molar Heat Capacity
27.00 J/mol·K  
29
26.74 J/mol·K  
32
Thermal Conductivity
0.00 W/m·K  
99+
81.80 W/m·K  
21
Critical Temperature
1,100.00 K  
99+
429.75 K  
99+
Thermal Expansion
11.60 µm/(m·K)  
99+
32.10 µm/(m·K)  
9
Enthalpy
  
  
Enthalpy of Vaporization
380.50 kJ/mol  
26
226.40 kJ/mol  
99+
Enthalpy of Fusion
-  
3.28 kJ/mol  
99+
Enthalpy of Atomization
410.80 kJ/mol  
25
242.70 kJ/mol  
99+
Standard Molar Entropy
37.40 J/mol.K  
99+
57.80 J/mol.K  
27
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