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1 Periodic Table
1.1 Symbol
Pb
Fe
1.2 Group Number
148
Gadolinium
0 17
1.5 Period Number
64
Lithium
2 7
2.5 Block
p block
d block
2.6 Element Family
Post-​Transition
Transition Metal
2.7 CAS Number
74399217439896
Aluminium
7429905 54386242
2.8 Space Group Name
Fm_ 3m
Im_ 3m
2.9 Space Group Number
225.00229.00
Plutonium
11 229
3 Facts
3.1 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.
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
3.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
Earth's crust, Found in Minerals
3.3 History
3.3.1 Who Discovered
Unknown
Unknown
3.3.2 Discovery
In Middle Easterns (7000 BCE)
Before 5000 BC
3.4 Abundance
3.4.1 Abundance In Universe
1 * 10-6 %1.1 * 10-1 %
Thallium
5E-09 0.11
3.4.2 Abundance In Sun
~0.000001 %~0.1 %
Beryllium
1E-08 0.1
3.4.4 Abundance In Meteorites
0.00 %22.00 %
Gold
1.7E-07 22
3.4.5 Abundance In Earth's Crust
0.00 %6.30 %
Radium
9.9E-12 8.1
3.4.7 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
3.4.9 Abundance In Humans
0.00 %0.01 %
Radium
1E-13 1.4
5 Uses
5.1 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.
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
5.2.2 Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
5.2.3 Medical Uses
Surgical Instruments Manufacturing
Pharmaceutical Industry, Surgical Instruments Manufacturing
5.2.4 Other Uses
Alloys
Alloys, Sculptures, Statues
5.3 Biological Properties
5.3.1 Toxicity
Toxic
Non Toxic
5.3.3 Present in Human Body
5.3.4 In Blood
0.21 Blood/mg dm-3447.00 Blood/mg dm-3
Plutonium
0 1970
5.3.5 In Bone
30.00 p.p.m.380.00 p.p.m.
Plutonium
0 170000
6 Physical
6.1 Melting Point
327.50 °C1,535.00 °C
Francium
27 3410
7.2 Boiling Point
1,740.00 °C2,750.00 °C
Flerovium
147 5660
7.4 Appearance
7.4.1 Physical State
Solid
Solid
7.4.2 Color
Gray
Gray
7.4.3 Luster
Metallic
Metallic
7.5 Hardness
7.5.1 Mohs Hardness
1.504.00
Cesium
0.2 8.5
7.7.2 Brinell Hardness
38.00 MPa200.00 MPa
Cesium
0.14 3490
7.7.4 Vickers Hardness
NA608.00 MPa
Palladium
121 3430
7.8 Speed of Sound
1,190.00 m/s5,120.00 m/s
Thallium
818 16200
7.10 Optical Properties
7.10.1 Refractive Index
NANA
Mercury
1.000933 1.7229
7.10.2 Reflectivity
NA65.00 %
Molybdenum
58 97
7.12 Allotropes
7.12.1 α Allotropes
Not Available
Ferrite (alpha Iron)
7.12.2 β Allotropes
Not Available
beta Iron
7.12.3 γ Allotropes
Not Available
gamma Iron
8 Chemical
8.1 Chemical Formula
Pb
Fe
8.2 Isotopes
8.2.1 Known Isotopes
3526
Tennessine
0 38
9.3 Electronegativity
9.3.1 Pauling Electronegativity
1.871.83
Francium
0.7 2.54
9.3.2 Sanderson Electronegativity
2.292.20
Cesium
0.22 2.56
9.4.3 Allred Rochow Electronegativity
1.551.64
Cesium
0.86 1.82
9.4.5 Mulliken-Jaffe Electronegativity
2.41NA
Cesium
0.62 2.48
9.4.7 Allen Electronegativity
1.851.80
Cesium
0.659 2.7
9.6 Electropositivity
9.6.1 Pauling Electropositivity
1.672.17
Gold
1.46 3.3
9.8 Ionization Energies
9.8.1 1st Energy Level
715.60 kJ/mol762.50 kJ/mol
Cesium
375.7 26130
9.8.3 2nd Energy Level
1,450.50 kJ/mol1,561.90 kJ/mol
Ruthenium
710.2162 28750
9.8.6 3rd Energy Level
3,081.50 kJ/mol2,957.00 kJ/mol
Osmium
1600 34230
9.8.8 4th Energy Level
4,083.00 kJ/mol5,290.00 kJ/mol
Thorium
2780 37066
9.8.11 5th Energy Level
6,640.00 kJ/mol7,240.00 kJ/mol
Dubnium
4305.2 97510
9.8.14 6th Energy Level
NA9,560.00 kJ/mol
Seaborgium
5715.8 105800
9.8.16 7th Energy level
NA12,060.00 kJ/mol
Bohrium
7226.8 114300
9.8.18 8th Energy Level
NA14,580.00 kJ/mol
Hassium
8857.4 125300
9.8.21 9th Energy Level
NA22,540.00 kJ/mol
Yttrium
14110 134700
9.8.23 10th Energy Level
NA25,290.00 kJ/mol
Strontium
17100 144300
9.8.25 11th Energy Level
NA28,000.00 kJ/mol
Yttrium
19900 169988
9.8.29 12th Energy Level
NA31,920.00 kJ/mol
Molybdenum
22219 189368
9.8.32 13th Energy Level
NA34,830.00 kJ/mol
Molybdenum
26930 76015
9.8.36 14th Energy Level
NA37,840.00 kJ/mol
Molybdenum
29196 86450
9.8.39 15th Energy Level
NA44,100.00 kJ/mol
Manganese
41987 97510
9.8.43 16th Energy Level
NA47,206.00 kJ/mol
Copper
47206 109480
9.8.45 17th Energy Level
NA122,200.00 kJ/mol
Cobalt
52737 122200
9.9.1 18th Energy Level
NA131,000.00 kJ/mol
Nickel
58570 134810
9.10.1 19th Energy Level
NA140,500.00 kJ/mol
Copper
64702 148700
10.1.1 20th Energy Level
NA152,600.00 kJ/mol
Molybdenum
80400 171200
10.4.2 21st Energy Level
NA163,000.00 kJ/mol
Molybdenum
87000 179100
10.4.3 22nd Energy Level
NA173,600.00 kJ/mol
Molybdenum
93400 184900
10.4.5 23rd Energy Level
NA188,100.00 kJ/mol
Molybdenum
98420 198800
10.4.7 24th Energy Level
NA195,200.00 kJ/mol
Molybdenum
104400 195200
10.4.8 25th Energy Level
NANA
Molybdenum
121900 121900
10.5.2 26th Energy Level
NANA
Molybdenum
127700 127700
10.5.4 27th Energy Level
NANA
Molybdenum
133800 133800
10.5.5 28th Energy Level
NANA
Molybdenum
139800 139800
10.5.7 29th Energy Level
NANA
Molybdenum
148100 148100
10.6.1 30th Energy Level
NANA
Molybdenum
154500 154500
10.8 Electrochemical Equivalent
3.87 g/amp-hr0.69 g/amp-hr
Beryllium
0.16812 8.3209
10.12 Electron Work Function
4.25 eV4.70 eV
Cesium
2.14 5.65
11.2 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Corrosion, Ionization, Solubility
12 Atomic
12.1 Atomic Number
8226
Lithium
3 117
12.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p2
[Ar] 3d6 4s2
12.3 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
12.3.1 Crystal Lattice
12.4 Atom
12.4.1 Number of Protons
8226
Lithium
3 117
12.7.2 Number of Neutrons
12530
Lithium
4 184
12.8.2 Number of Electrons
8226
Lithium
3 117
12.9 Radius of an Atom
12.9.1 Atomic Radius
175.00 pm126.00 pm
Beryllium
112 265
12.10.1 Covalent Radius
146.00 pm132.00 pm
Beryllium
96 260
13.1.2 Van der Waals Radius
202.00 pm200.00 pm
Zinc
139 348
13.2 Atomic Weight
207.20 amu55.85 amu
Lithium
6.94 294
13.4 Atomic Volume
18.17 cm3/mol7.10 cm3/mol
Manganese
1.39 71.07
13.5 Adjacent Atomic Numbers
13.5.1 Previous Element
13.5.2 Next Element
13.6 Valence Electron Potential
24.20 (-eV)67.00 (-eV)
Francium
8 392.42
13.7 Lattice Constant
495.08 pm286.65 pm
Beryllium
228.58 891.25
14.2 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
14.3 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
11.34 g/cm37.87 g/cm3
Lithium
0.534 40.7
15.3.1 Density When Liquid (at m.p.)
10.66 g/cm36.98 g/cm3
Lithium
0.512 20
15.5 Tensile Strength
12.00 MPa11,000.00 MPa
Indium
2.5 11000
15.6 Viscosity
NANA
Mercury
0.001526 0.001526
15.8 Vapor Pressure
15.8.1 Vapor Pressure at 1000 K
1.64 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
15.8.2 Vapor Pressure at 2000 K
NA36.80 (Pa)
Tungsten
2.62E-10 774
15.10 Elasticity properties
15.10.1 Shear Modulus
5.60 GPa82.00 GPa
Potassium
1.3 222
15.10.3 Bulk Modulus
46.00 GPa170.00 GPa
Cesium
1.6 462
15.10.4 Young's Modulus
16.00 GPa211.00 GPa
Cesium
1.7 528
15.11 Poisson Ratio
0.440.29
Beryllium
0.032 0.47
15.13 Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable, Weldable
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
11.357.20
Lithium
0.53 4500
16.1.2 Magnetic Ordering
Diamagnetic
Ferromagnetic
16.1.3 Permeability
NA6.3 * 10-3 H/m
Bismuth
1.25643E-06 0.0063
16.1.4 Susceptibility
NA2,00,000.00
Bismuth
-0.000166 200000
16.2 Electrical Properties
16.2.1 Electrical Property
Poor Conductor
Conductor
16.2.2 Resistivity
208.00 nΩ·m96.10 nΩ·m
Thallium
0.18 961
16.2.3 Electrical Conductivity
0.05 106/cm Ω0.10 106/cm Ω
Plutonium
0.00666 0.63
16.2.4 Electron Affinity
35.10 kJ/mol15.70 kJ/mol
Mercury
0 222.8
17 Thermal
17.1 Specific Heat
0.13 J/(kg K)0.44 J/(kg K)
Americium
0.11 3.6
17.2 Molar Heat Capacity
26.65 J/mol·K25.10 J/mol·K
Beryllium
16.443 62.7
17.3 Thermal Conductivity
35.30 W/m·K80.40 W/m·K
Neptunium
6.3 429
17.4 Critical Temperature
NANA
Ytterbium
26.3 3223
17.5 Thermal Expansion
28.90 µm/(m·K)11.80 µm/(m·K)
Tungsten
4.5 97
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
179.40 kJ/mol351.00 kJ/mol
Zinc
7.32 799.1
17.6.2 Enthalpy of Fusion
4.77 kJ/mol14.90 kJ/mol
Cesium
2.1 35.23
17.6.3 Enthalpy of Atomization
194.60 kJ/mol414.20 kJ/mol
Mercury
61.5 837
17.7 Standard Molar Entropy
64.80 J/mol.K27.30 J/mol.K
Beryllium
9.5 198.1