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Beryllium vs Indium

Beryllium
Indium
Indium vs Beryllium


Periodic Table
Symbol
Be   
In   
Group Number
2   
16
13   
5
Period Number
2   
5   
Block
s block   
p block   
Element Family
Alkaline Earth   
Post-​Transition   
CAS Number
7440417   
99+
7440746   
17
Space Group Name
P63/mmc   
I4/mmm   
Space Group Number
194.00   
5
139.00   
8
Facts
Interesting Facts
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Louis Nicolas Vauquelin   
Ferdinand Reich and Hieronymous Theodor Richter   
Discovery
In 1797   
In 1863   
Abundance
  
  
Abundance In Universe
1 * 10-7 %   
23
3 * 10-8 %   
28
Abundance In Sun
~0.00000001 %   
29
~0.0000004 %   
23
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
35
0.00 %   
99+
Abundance In Oceans
0.00 %   
39
0.00 %   
99+
Abundance In Humans
0.00 %   
19
Not Available   
Uses
Uses & Benefits
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
  • 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, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Automobile Industry   
Medical Uses
NA   
Medical Research   
Other Uses
Alloys   
Alloys, In Nuclear Reactors   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
32
Not Available   
In Bone
0.00 p.p.m.   
32
Not Available   
Physical Properties
Melting Point
1,278.00 °C   
36
156.61 °C   
99+
Boiling Point
2,970.00 °C   
32
2,000.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
White Gray   
Silvery Gray   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
5.50   
7
1.20   
20
Brinell Hardness
590.00 MPa   
21
8.80 MPa   
99+
Vickers Hardness
1,670.00 MPa   
4
Not Available   
Speed of Sound
12,890.00 m/s   
2
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
Be   
In   
Isotopes
  
  
Known Isotopes
9   
29
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.78   
16
Sanderson Electronegativity
1.81   
12
2.14   
8
Allred Rochow Electronegativity
1.47   
14
1.49   
13
Mulliken-Jaffe Electronegativity
1.54   
12
1.76   
10
Allen Electronegativity
1.58   
23
1.66   
18
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.22   
38
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
558.30 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
1,820.70 kJ/mol   
18
3rd Energy Level
14,848.70 kJ/mol   
2
2,704.00 kJ/mol   
39
4th Energy Level
21,006.60 kJ/mol   
2
5,210.00 kJ/mol   
17
Electrochemical Equivalent
0.17 g/amp-hr   
99+
1.43 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
4.12 eV   
24
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
4   
99+
49   
99+
Electron Configuration
[He] 2s2   
[Kr] 4d10 5s2 5p1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
TETR-Crystal-Structure-of-Indium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
49   
99+
Number of Neutrons
5   
99+
66   
99+
Number of Electrons
4   
99+
49   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
167.00 pm   
24
Covalent Radius
96.00 pm   
99+
142.00 pm   
99+
Van der Waals Radius
153.00 pm   
99+
193.00 pm   
31
Atomic Weight
9.01 amu   
99+
114.82 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
15.70 cm3/mol   
33
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Cadmium
  
Next Element
Sodium
  
Tin
  
Valence Electron Potential
82.00 (-eV)   
15
54.00 (-eV)   
25
Lattice Constant
228.58 pm   
99+
325.23 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
18
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
1.85 g/cm3   
99+
7.31 g/cm3   
99+
Density When Liquid (at m.p.)
1.69 g/cm3   
99+
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
0.00 (Pa)   
19
0.01 (Pa)   
11
Elasticity properties
  
  
Shear Modulus
132.00 GPa   
7
Not Available   
Bulk Modulus
130.00 GPa   
13
Not Available   
Young's Modulus
287.00 GPa   
7
11.00 GPa   
99+
Poisson Ratio
0.03   
35
Not Available   
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.85   
99+
7.31   
99+
Magnetic Ordering
Diamagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Conductor   
Resistivity
36.00 nΩ·m   
99+
83.70 nΩ·m   
34
Electrical Conductivity
0.31 106/cm Ω   
5
0.12 106/cm Ω   
17
Electron Affinity
0.00 kJ/mol   
40
28.90 kJ/mol   
31
Thermal Properties
Specific Heat
1.82 J/(kg K)   
2
0.23 J/(kg K)   
27
Molar Heat Capacity
16.44 J/mol·K   
99+
26.74 J/mol·K   
25
Thermal Conductivity
200.00 W/m·K   
6
81.80 W/m·K   
21
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
11.30 µm/(m·K)   
34
32.10 µm/(m·K)   
9
Enthalpy
  
  
Enthalpy of Vaporization
294.70 kJ/mol   
30
226.40 kJ/mol   
40
Enthalpy of Fusion
11.72 kJ/mol   
30
3.28 kJ/mol   
99+
Enthalpy of Atomization
326.40 kJ/mol   
30
242.70 kJ/mol   
99+
Standard Molar Entropy
9.50 J/mol.K   
99+
57.80 J/mol.K   
22
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