Symbol
Pb
  
V
  
Period Number
6
  
4
  
Block
p block
  
d block
  
Element Family
Post-Transition
  
Transition Metal
  
Space Group Name
Fm_ 3m
  
Im_ 3m
  
Interesting Facts
- 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.
  
- Vanadium is a highly reactive metal, hence it is not found free in nature.
- Vanadium can be found in almost 65 different types of minerals.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
  
Found As a By-product, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Unknown
  
Andrés Manuel del Río
  
Discovery
In Middle Easterns (7000 BCE)
  
In 1801
  
Abundance
  
  
Abundance In Sun
~0.000001 %
  
18
Abundance In Earth's Crust
Uses & Benefits
- 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.
  
- Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
-
Its oxide is used as pigments for glass and ceramics.
  
Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry
  
Aerospace Industry, Automobile Industry, Chemical Industry
  
Medical Uses
Surgical Instruments Manufacturing
  
NA
  
Other Uses
Alloys
  
Alloys
  
Biological Properties
  
  
Toxicity
Toxic
  
Toxic
  
Present in Human Body
Yes
  
Yes
  
In Blood
0.21 Blood/mg dm-3
  
11
0.00 Blood/mg dm-3
  
36
In Bone
30.00 p.p.m.
  
10
0.00 p.p.m.
  
31
Melting Point
1,890.00 °C
  
13
Boiling Point
1,740.00 °C
  
99+
3,380.00 °C
  
20
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Gray
  
Blue-Silver Grey
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Vickers Hardness
Not Available
  
Speed of Sound
1,190.00 m/s
  
99+
4,560.00 m/s
  
17
Optical Properties
  
  
Reflectivity
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Pb
  
V
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
715.60 kJ/mol
  
31
650.90 kJ/mol
  
99+
2nd Energy Level
1,450.50 kJ/mol
  
99+
1,414.00 kJ/mol
  
99+
3rd Energy Level
3,081.50 kJ/mol
  
23
2,830.00 kJ/mol
  
35
4th Energy Level
4,083.00 kJ/mol
  
35
4,507.00 kJ/mol
  
25
5th Energy Level
6,640.00 kJ/mol
  
20
6,298.70 kJ/mol
  
23
6th Energy Level
Not Available
  
12,363.00 kJ/mol
  
5
7th Energy level
Not Available
  
14,530.00 kJ/mol
  
5
8th Energy Level
Not Available
  
16,730.00 kJ/mol
  
7
9th Energy Level
Not Available
  
19,860.00 kJ/mol
  
7
10th Energy Level
Not Available
  
22,240.00 kJ/mol
  
12
11th Energy Level
Not Available
  
24,670.00 kJ/mol
  
15
12th Energy Level
Not Available
  
29,730.00 kJ/mol
  
12
13th Energy Level
Not Available
  
32,446.00 kJ/mol
  
12
14th Energy Level
Not Available
  
86,450.00 kJ/mol
  
1
15th Energy Level
Not Available
  
94,170.00 kJ/mol
  
2
16th Energy Level
Not Available
  
102,300.00 kJ/mol
  
3
17th Energy Level
Not Available
  
112,700.00 kJ/mol
  
4
18th Energy Level
Not Available
  
121,600.00 kJ/mol
  
5
19th Energy Level
Not Available
  
130,700.00 kJ/mol
  
6
20th Energy Level
Not Available
  
143,400.00 kJ/mol
  
8
21st Energy Level
Not Available
  
151,440.00 kJ/mol
  
8
Electrochemical Equivalent
3.87 g/amp-hr
  
9
0.38 g/amp-hr
  
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
  
Anti Corrosion, Ionization, Radioactive Isotopes
  
Electron Configuration
[Xe] 4f14 5d10 6s2 6p2
  
[Ar] 3d3 4s2
  
Crystal Structure
Face Centered Cubic (FCC)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Volume
18.17 cm3/mol
  
27
8.78 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
24.20 (-eV)
  
99+
120.00 (-eV)
  
6
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
11.34 g/cm3
  
33
6.00 g/cm3
  
99+
Density When Liquid (at m.p.)
10.66 g/cm3
  
15
5.50 g/cm3
  
99+
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
Ductile, Malleable
  
Ductile, Malleable
  
Magnetic Characteristics
  
  
Magnetic Ordering
Diamagnetic
  
Paramagnetic
  
Electrical Properties
  
  
Electrical Property
Poor Conductor
  
Superconductor
  
Resistivity
208.00 nΩ·m
  
16
197.00 nΩ·m
  
19
Electrical Conductivity
0.05 106/cm Ω
  
36
0.05 106/cm Ω
  
35
Electron Affinity
35.10 kJ/mol
  
28
50.60 kJ/mol
  
20
Specific Heat
0.13 J/(kg K)
  
39
0.49 J/(kg K)
  
10
Molar Heat Capacity
26.65 J/mol·K
  
26
24.89 J/mol·K
  
99+
Thermal Conductivity
35.30 W/m·K
  
38
30.70 W/m·K
  
39
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
28.90 µm/(m·K)
  
13
8.40 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
179.40 kJ/mol
  
99+
458.60 kJ/mol
  
14
Enthalpy of Fusion
4.77 kJ/mol
  
99+
17.57 kJ/mol
  
14
Enthalpy of Atomization
194.60 kJ/mol
  
99+
514.60 kJ/mol
  
13
Standard Molar Entropy
64.80 J/mol.K
  
17
28.90 J/mol.K
  
99+