1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.5 Block
1.6 Element Family
Transition Metal
Transition Metal
1.7 CAS Number
74404397439976
7429905
54386242
1.10 Space Group Name
1.11 Space Group Number
2 Facts
2.1 Interesting Facts
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
- At room temperature mercury is found in a liquid state.
- A coin of pound or rupees floats in mercury.
- Because of its low melting point and boiling point it is used in thermometers.
2.2 Sources
Found As a By-product, Found in Minerals, Mining
Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Ancient Chinese and Indians
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~0.0000006 %~-9999 %
1E-08
0.1
2.4.4 Abundance In Meteorites
2.5.1 Abundance In Earth's Crust
2.6.2 Abundance In Oceans
2.6.4 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- It has very limited uses as it is a toxic metal and it can cause birth defects, cancer, etc.
-
Almost 80% of Cadmium metal is used in Nickel cadmium Batteries and now it is getting replaced with nickel hydride.
- It is a liquid metal at room temperature, but it is a toxic heavy metal and hence many uses of mercury are under review or phased out.
- It is manly used as a catalysts in chemical industry.
3.1.1 Industrial Uses
Aerospace Industry, Ammunition Industry, Chemical Industry, Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
3.1.3 Medical Uses
3.1.5 Other Uses
Alloys
Alloys, Mirror Manufacturing, Pharmaceutical Industry
3.2 Biological Properties
3.2.1 Toxicity
3.2.3 Present in Human Body
3.2.4 In Blood
0.01 Blood/mg dm-30.01 Blood/mg dm-3
0
1970
3.2.5 In Bone
1.80 p.p.m.0.45 p.p.m.
0
170000
4 Physical
4.1 Melting Point
4.2 Boiling Point
765.00 °C356.58 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
Silvery Bluish-Gray
Silver
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.3 Vickers Hardness
4.5 Speed of Sound
2,310.00 m/s1,451.40 m/s
818
16200
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
1.1.1 Allred Rochow Electronegativity
1.1.2 Mulliken-Jaffe Electronegativity
1.2.1 Allen Electronegativity
1.3 Electropositivity
1.3.1 Pauling Electropositivity
1.6 Ionization Energies
1.6.1 1st Energy Level
867.80 kJ/mol1,007.10 kJ/mol
375.7
26130
1.6.2 2nd Energy Level
1,631.40 kJ/mol1,810.00 kJ/mol
710.2162
28750
1.6.4 3rd Energy Level
3,616.00 kJ/mol3,300.00 kJ/mol
1600
34230
1.6.5 4th Energy Level
1.6.7 5th Energy Level
1.7.1 6th Energy Level
1.7.2 7th Energy level
1.8.2 8th Energy Level
1.8.4 9th Energy Level
1.9.4 10th Energy Level
1.9.5 11th Energy Level
1.9.6 12th Energy Level
1.9.7 13th Energy Level
1.9.8 14th Energy Level
1.9.9 15th Energy Level
1.9.10 16th Energy Level
1.9.11 17th Energy Level
1.9.12 18th Energy Level
1.9.13 19th Energy Level
1.9.14 20th Energy Level
1.9.15 21st Energy Level
1.9.16 22nd Energy Level
1.9.17 23rd Energy Level
1.9.18 24th Energy Level
1.9.19 25th Energy Level
1.9.20 26th Energy Level
1.9.21 27th Energy Level
1.9.22 28th Energy Level
1.9.23 29th Energy Level
1.9.24 30th Energy Level
1.10 Electrochemical Equivalent
2.10 g/amp-hr3.74 g/amp-hr
0.16812
8.3209
1.11 Electron Work Function
1.12 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Flammability, Ionization, Solubility
2 Atomic
2.1 Atomic Number
2.2 Electron Configuration
[Kr] 4d10 5s2
[Xe] 4f14 5d10 6s2
2.3 Crystal Structure
Hexagonal Close Packed (HCP)
Rhombohedral (RHO)
2.3.1 Crystal Lattice
2.4 Atom
2.4.1 Number of Protons
2.4.2 Number of Neutrons
2.4.3 Number of Electrons
2.5 Radius of an Atom
2.5.1 Atomic Radius
151.00 pm151.00 pm
112
265
2.5.2 Covalent Radius
144.00 pm132.00 pm
96
260
2.5.3 Van der Waals Radius
158.00 pm155.00 pm
139
348
2.6 Atomic Weight
112.41 amu200.59 amu
6.94
294
2.7 Atomic Volume
13.10 cm3/mol14.82 cm3/mol
1.39
71.07
2.8 Adjacent Atomic Numbers
2.8.1 Previous Element
2.8.2 Next Element
2.9 Valence Electron Potential
30.00 (-eV)28.20 (-eV)
8
392.42
2.10 Lattice Constant
297.94 pm300.50 pm
228.58
891.25
2.11 Lattice Angles
2.12 Lattice C/A Ratio
3 Mechanical
3.1 Density
3.1.1 Density At Room Temperature
8.65 g/cm313.53 g/cm3
0.534
40.7
3.1.2 Density When Liquid (at m.p.)
3.2 Tensile Strength
3.3 Viscosity
NA0.00
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0.001526
0.001526
3.4 Vapor Pressure
3.4.1 Vapor Pressure at 1000 K
3.4.2 Vapor Pressure at 2000 K
3.5 Elasticity properties
3.5.1 Shear Modulus
3.5.2 Bulk Modulus
3.5.3 Young's Modulus
3.6 Poisson Ratio
3.7 Other Mechanical Properties
4 Magnetic
4.1 Magnetic Characteristics
4.1.1 Specific Gravity
4.1.2 Magnetic Ordering
4.1.3 Permeability
4.1.4 Susceptibility
4.2 Electrical Properties
4.2.1 Electrical Property
4.2.2 Resistivity
72.70 nΩ·m961.00 nΩ·m
0.18
961
4.2.3 Electrical Conductivity
0.14 106/cm Ω0.01 106/cm Ω
0.00666
0.63
4.2.4 Electron Affinity
0.00 kJ/mol0.00 kJ/mol
0
222.8
5 Thermal
5.1 Specific Heat
0.23 J/(kg K)0.14 J/(kg K)
0.11
3.6
5.2 Molar Heat Capacity
26.02 J/mol·K27.98 J/mol·K
16.443
62.7
5.3 Thermal Conductivity
96.60 W/m·K8.30 W/m·K
6.3
429
5.4 Critical Temperature
5.5 Thermal Expansion
30.80 µm/(m·K)60.40 µm/(m·K)
4.5
97
5.6 Enthalpy
5.6.1 Enthalpy of Vaporization
100.00 kJ/mol56.90 kJ/mol
7.32
799.1
5.6.2 Enthalpy of Fusion
6.19 kJ/mol2.29 kJ/mol
2.1
35.23
5.6.3 Enthalpy of Atomization
113.00 kJ/mol61.50 kJ/mol
61.5
837
5.7 Standard Molar Entropy
51.80 J/mol.K75.80 J/mol.K
9.5
198.1