Home
 Compare Metals

Indium vs Radium

Indium
Radium
Radium vs Indium


Periodic Table
Symbol
In  
Ra  
Group Number
13  
5
2  
16
Period Number
5  
7  
Block
p block  
s block  
Element Family
Post-​Transition  
Alkaline Earth  
CAS Number
7440746  
17
7440144  
99+
Space Group Name
I4/mmm  
Im_ 3m  
Space Group Number
139.00  
11
229.00  
2
Facts
Interesting Facts
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
Sources
Mining, Ores of metals  
Mining, Ores of metals  
History
  
  
Who Discovered
Ferdinand Reich and Hieronymous Theodor Richter  
-  
Discovery
In 1863  
In 1898  
Abundance
  
  
Abundance In Universe
0.00 %  
29
0.00 %  
40
Abundance In Sun
0.00 %  
23
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
-  
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
99+
0.00 %  
99+
Abundance In Humans
0.00 %  
16
0.00 %  
23
Uses
Uses & Benefits
  • 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.
  
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
Industrial Uses
Aerospace Industry, Automobile Industry  
-  
Medical Uses
Medical Research  
Pharmaceutical Industry  
Other Uses
Alloys, In Nuclear Reactors  
-  
Biological Properties
  
  
Toxicity
Non Toxic  
Highly Toxic  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
34
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
156.61 °C  
99+
700.00 °C  
99+
Boiling Point
2,000.00 °C  
99+
1,737.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery White  
Luster
Lustrous  
Metallic  
Hardness
  
  
Mohs Hardness
1.20  
21
1.00  
22
Brinell Hardness
8.80 MPa  
99+
700.00 MPa  
17
Vickers Hardness
0.01 MPa  
99+
140.00 MPa  
99+
Speed of Sound
1,215.00 m/s  
99+
3,150.00 m/s  
37
Optical Properties
  
  
Refractive Index
3.41  
1
1.00  
99+
Reflectivity
83.00 %  
6
83.00 %  
6
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
In  
Ra  
Isotopes
  
  
Known Isotopes
35  
4
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.78  
17
0.90  
99+
Sanderson Electronegativity
2.14  
9
0.89  
99+
Allred Rochow Electronegativity
1.49  
14
0.97  
39
Mulliken-Jaffe Electronegativity
1.76  
18
0.92  
99+
Allen Electronegativity
1.66  
21
0.89  
99+
Electropositivity
  
  
Pauling Electropositivity
2.22  
38
3.10  
5
Ionization Energies
  
  
1st Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
2nd Energy Level
1,820.70 kJ/mol  
19
979.00 kJ/mol  
99+
3rd Energy Level
2,704.00 kJ/mol  
40
509.30 kJ/mol  
99+
4th Energy Level
5,210.00 kJ/mol  
26
5,093.00 kJ/mol  
27
5th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
6th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
7th Energy level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
8th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
9th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
10th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
11th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
12th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
13th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
14th Energy Level
558.30 kJ/mol  
99+
5,090.00 kJ/mol  
99+
15th Energy Level
55,800.00 kJ/mol  
99+
50,900.00 kJ/mol  
99+
16th Energy Level
558.30 kJ/mol  
99+
50,900.00 kJ/mol  
99+
17th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
18th Energy Level
5,580.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
19th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
20th Energy Level
558.00 kJ/mol  
99+
509.00 kJ/mol  
99+
21st Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
22nd Energy Level
558.00 kJ/mol  
99+
509.00 kJ/mol  
99+
23rd Energy Level
5,581.00 kJ/mol  
24
509.30 kJ/mol  
99+
24th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
25th Energy Level
558.00 kJ/mol  
99+
509.00 kJ/mol  
99+
26th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
27th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
28th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
29th Energy Level
558.30 kJ/mol  
99+
509.30 kJ/mol  
99+
30th Energy Level
558.00 kJ/mol  
99+
509.00 kJ/mol  
99+
Electrochemical Equivalent
1.43 g/amp-hr  
99+
4.22 g/amp-hr  
6
Electron Work Function
4.12 eV  
31
4.30 eV  
25
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
49  
99+
88  
30
Electron Configuration
[Kr] 4d10 5s2 5p1  
[Rn] 7s2  
Crystal Structure
Tetragonal (TETR)  
Body Centered Cubic (BCC)  
Crystal Lattice
TETR-Crystal-Structure-of-Indium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
49  
99+
88  
30
Number of Neutrons
66  
99+
138  
17
Number of Electrons
49  
99+
88  
30
Radius of an Atom
  
  
Atomic Radius
167.00 pm  
26
215.00 pm  
6
Covalent Radius
142.00 pm  
99+
221.00 pm  
3
Van der Waals Radius
193.00 pm  
38
283.00 pm  
5
Atomic Weight
114.82 amu  
99+
226.00 amu  
26
Atomic Volume
15.70 cm3/mol  
99+
45.20 cm3/mol  
5
Adjacent Atomic Numbers
  
  
Previous Element
Cadmium
  
Francium
  
Next Element
Tin
  
Actinium
  
Valence Electron Potential
54.00 (-eV)  
26
20.10 (-eV)  
99+
Lattice Constant
325.23 pm  
99+
514.80 pm  
15
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.56  
99+
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
7.31 g/cm3  
99+
5.50 g/cm3  
99+
Density When Liquid (at m.p.)
7.02 g/cm3  
99+
5.50 g/cm3  
99+
Tensile Strength
2.50 MPa  
99+
40.00 MPa  
99+
Viscosity
0.00  
25
0.00  
2
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.01 (Pa)  
11
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.00 (Pa)  
33
Elasticity properties
  
  
Shear Modulus
18.00 GPa  
99+
25.00 GPa  
38
Bulk Modulus
46.90 GPa  
27
43.00 GPa  
33
Young's Modulus
11.00 GPa  
99+
83.00 GPa  
25
Poisson Ratio
0.44  
3
0.31  
13
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.31  
99+
5.00  
99+
Magnetic Ordering
Diamagnetic  
Nonmagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
9
Susceptibility
0.00  
34
0.00  
18
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
83.70 nΩ·m  
34
100.00 nΩ·m  
31
Electrical Conductivity
0.12 106/cm Ω  
20
0.00 106/cm Ω  
99+
Electron Affinity
28.90 kJ/mol  
37
0.90 kJ/mol  
99+
Thermal
Specific Heat
0.23 J/(kg K)  
27
0.12 J/(kg K)  
99+
Molar Heat Capacity
26.74 J/mol·K  
32
20.05 J/mol·K  
99+
Thermal Conductivity
81.80 W/m·K  
21
18.60 W/m·K  
99+
Critical Temperature
429.75 K  
99+
973.00 K  
99+
Thermal Expansion
32.10 µm/(m·K)  
9
8.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
226.40 kJ/mol  
99+
113.00 kJ/mol  
99+
Enthalpy of Fusion
3.28 kJ/mol  
99+
8.60 kJ/mol  
99+
Enthalpy of Atomization
242.70 kJ/mol  
99+
163.00 kJ/mol  
99+
Standard Molar Entropy
57.80 J/mol.K  
27
71.00 J/mol.K  
14
Periodic Table >>
<< All

Compare Post Transition Metals

Post Transition Metals

Post Transition Metals

» More Post Transition Metals

Compare Post Transition Metals

» More Compare Post Transition Metals
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!