1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
1.7 CAS Number
543862427439921
7429905
54386242
1.3 Space Group Name
1.4 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
- The best available source of Lead metal today is by recycling automobile batteries.
2.2 Sources
Synthetically Produced
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Unknown
2.3.2 Discovery
In 1994
In Middle Easterns (7000 BCE)
2.4 Abundance
2.4.1 Abundance In Universe
2.7.2 Abundance In Sun
~-9999 %~0.000001 %
1E-08
0.1
3.3.2 Abundance In Meteorites
3.4.3 Abundance In Earth's Crust
1.1.2 Abundance In Oceans
1.1.1 Abundance In Humans
2 Uses
2.1 Uses & Benefits
- Currently known uses of Roentgenium metal are limited to research purpose only.
- It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
2.1.1 Industrial Uses
NA
Chemical Industry, Electrical Industry, Electronic Industry
2.1.2 Medical Uses
NA
Surgical Instruments Manufacturing
2.1.3 Other Uses
2.2 Biological Properties
2.2.1 Toxicity
2.2.2 Present in Human Body
2.2.3 In Blood
0.00 Blood/mg dm-30.21 Blood/mg dm-3
0
1970
2.7.2 In Bone
0.00 p.p.m.30.00 p.p.m.
0
170000
3 Physical
3.1 Melting Point
3.5 Boiling Point
4.3 Appearance
4.3.1 Physical State
4.3.3 Color
4.3.5 Luster
4.4 Hardness
4.4.1 Mohs Hardness
5.5.5 Brinell Hardness
6.2.1 Vickers Hardness
6.6 Speed of Sound
6.11 Optical Properties
6.11.1 Refractive Index
4.12.10 Reflectivity
4.13 Allotropes
4.13.1 α Allotropes
Not Available
Not Available
4.13.2 β Allotropes
Not Available
Not Available
4.13.3 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
5.3.4 Sanderson Electronegativity
5.3.8 Allred Rochow Electronegativity
5.3.11 Mulliken-Jaffe Electronegativity
5.3.14 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
1,022.70 kJ/mol715.60 kJ/mol
375.7
26130
5.5.5 2nd Energy Level
2,074.40 kJ/mol1,450.50 kJ/mol
710.2162
28750
5.5.9 3rd Energy Level
3,077.90 kJ/mol3,081.50 kJ/mol
1600
34230
5.5.13 4th Energy Level
4,052.40 kJ/mol4,083.00 kJ/mol
2780
37066
5.5.18 5th Energy Level
5,306.70 kJ/mol6,640.00 kJ/mol
4305.2
97510
5.5.23 6th Energy Level
5.5.27 7th Energy level
5.6.1 8th Energy Level
5.7.1 9th Energy Level
6.1.1 10th Energy Level
6.1.2 11th Energy Level
7.4.2 12th Energy Level
7.7.2 13th Energy Level
7.7.4 14th Energy Level
7.8.4 15th Energy Level
7.8.6 16th Energy Level
7.9.1 17th Energy Level
7.10.1 18th Energy Level
7.13.1 19th Energy Level
7.16.1 20th Energy Level
8.1.3 21st Energy Level
8.2.1 22nd Energy Level
8.3.1 23rd Energy Level
8.5.2 24th Energy Level
8.6.2 25th Energy Level
8.7.2 26th Energy Level
8.9.2 27th Energy Level
8.9.4 28th Energy Level
8.11.1 29th Energy Level
9.1.2 30th Energy Level
10.2 Electrochemical Equivalent
NA3.87 g/amp-hr
0.16812
8.3209
10.4 Electron Work Function
10.5 Other Chemical Properties
NA
Anti Corrosion, Ionization, Radioactive Isotopes
11 Atomic
11.1 Atomic Number
11.4 Electron Configuration
[Rn] 5f14 6d9 7s2
[Xe] 4f14 5d10 6s2 6p2
11.5 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
11.5.1 Crystal Lattice
11.6 Atom
11.6.1 Number of Protons
12.3.2 Number of Neutrons
12.6.2 Number of Electrons
12.10 Radius of an Atom
12.10.1 Atomic Radius
13.1.2 Covalent Radius
13.1.6 Van der Waals Radius
13.4 Atomic Weight
281.00 amu207.20 amu
6.94
294
13.5 Atomic Volume
NA18.17 cm3/mol
1.39
71.07
14.2 Adjacent Atomic Numbers
14.2.1 Previous Element
14.2.2 Next Element
14.3 Valence Electron Potential
14.6 Lattice Constant
NA495.08 pm
228.58
891.25
14.8 Lattice Angles
14.9 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
28.70 g/cm311.34 g/cm3
0.534
40.7
15.2.2 Density When Liquid (at m.p.)
15.3 Tensile Strength
15.4 Viscosity
15.5 Vapor Pressure
15.5.1 Vapor Pressure at 1000 K
15.6.1 Vapor Pressure at 2000 K
15.7 Elasticity properties
15.7.1 Shear Modulus
15.7.2 Bulk Modulus
15.7.3 Young's Modulus
15.8 Poisson Ratio
15.9 Other Mechanical Properties
Unknown
Ductile, Malleable
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
16.1.3 Permeability
16.1.4 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.2.3 Electrical Conductivity
NA0.05 106/cm Ω
0.00666
0.63
16.2.4 Electron Affinity
17 Thermal
17.1 Specific Heat
17.2 Molar Heat Capacity
NA26.65 J/mol·K
16.443
62.7
17.3 Thermal Conductivity
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA179.40 kJ/mol
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
17.7 Standard Molar Entropy
NA64.80 J/mol.K
9.5
198.1