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Roentgenium vs Indium


Indium vs Roentgenium


Periodic Table

Symbol
Rg   
In   

Group Number
11   
7
13   
5

Period Number
7   
5   

Block
d block   
p block   

Element Family
Unknown   
Post-​Transition   

CAS Number
54386242   
1
7440746   
17

Space Group Name
Not Available   
I4/mmm   

Space Group Number
194.00   
5
139.00   
8

Facts

Interesting Facts
Not Available   
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  

Sources
Synthetically Produced   
Mining, Ores of metals   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Ferdinand Reich and Hieronymous Theodor Richter   

Discovery
In 1994   
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
  • Currently known uses of Roentgenium 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
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
Not Available   
156.61 °C   
99+

Boiling Point
Not Available   
2,000.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery Gray   

Luster
Unknown Luster   
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
Rg   
In   

Isotopes
  
  

Known Isotopes
1   
34
35   
4

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.78   
16

Sanderson Electronegativity
Not Available   
2.14   
8

Allred Rochow Electronegativity
Not Available   
1.49   
13

Mulliken-Jaffe Electronegativity
Not Available   
1.76   
10

Allen Electronegativity
Not Available   
1.66   
18

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.22   
38

Ionization Energies
  
  

1st Energy Level
1,022.70 kJ/mol   
3
558.30 kJ/mol   
99+

2nd Energy Level
2,074.40 kJ/mol   
10
1,820.70 kJ/mol   
18

3rd Energy Level
3,077.90 kJ/mol   
24
2,704.00 kJ/mol   
39

4th Energy Level
4,052.40 kJ/mol   
36
5,210.00 kJ/mol   
17

5th Energy Level
5,306.70 kJ/mol   
31
Not Available   

Electrochemical Equivalent
Not Available   
1.43 g/amp-hr   
99+

Electron Work Function
Not Available   
4.12 eV   
24

Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   

Atomic Properties

Atomic Number
111   
7
49   
99+

Electron Configuration
[Rn] 5f14 6d9 7s2   
[Kr] 4d10 5s2 5p1   

Crystal Structure
Body Centered Cubic (BCC)   
Tetragonal (TETR)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   

Atom
  
  

Number of Protons
111   
7
49   
99+

Number of Neutrons
161   
3
66   
99+

Number of Electrons
111   
7
49   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
167.00 pm   
24

Covalent Radius
Not Available   
142.00 pm   
99+

Van der Waals Radius
Not Available   
193.00 pm   
31

Atomic Weight
281.00 amu   
6
114.82 amu   
99+

Atomic Volume
Not Available   
15.70 cm3/mol   
33

Adjacent Atomic Numbers
  
  

Previous Element
Cadmium
  

Next Element
Tin
  

Valence Electron Potential
Not Available   
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
28.70 g/cm3   
6
7.31 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
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
Not Available   
7.31   
99+

Magnetic Ordering
Unknown   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
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
Not Available   
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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