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Sodium Lead Comparison

Sodium
Lead
Lead Sodium comparison


Periodic Table
Symbol
Na   
Pb   
Group Number
1   
17
14   
4
Period Number
3   
6   
Block
s block   
p block   
Element Family
Alkali   
Post-​Transition   
CAS Number
7440235   
99+
7439921   
99+
Space Group Name
Im_ 3m   
Fm_ 3m   
Space Group Number
229.00   
1
225.00   
2
Facts
Interesting Facts
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
  
  • 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.
  
Sources
By Electrolysis Process, Mining   
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Humphry Davy   
Unknown   
Discovery
In 1807   
In Middle Easterns (7000 BCE)   
Abundance
  
  
Abundance In Universe
2 * 10-3 %   
6
1 * 10-6 %   
16
Abundance In Sun
~0.004 %   
6
~0.000001 %   
18
Abundance In Meteorites
0.55 %   
6
0.00 %   
23
Abundance In Earth's Crust
2.30 %   
5
0.00 %   
26
Abundance In Oceans
1.10 %   
1
0.00 %   
22
Abundance In Humans
0.14 %   
3
0.00 %   
8
Uses
Uses & Benefits
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
  
  • 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.
  
Industrial Uses
Electrical Industry, Electronic Industry   
Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
Pharmaceutical Industry   
Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Toxic   
Present in Human Body
Yes   
Yes   
In Blood
1,970.00 Blood/mg dm-3   
1
0.21 Blood/mg dm-3   
11
In Bone
10,000.00 p.p.m.   
2
30.00 p.p.m.   
10
Physical Properties
Melting Point
97.72 °C   
99+
327.50 °C   
99+
Boiling Point
883.00 °C   
99+
1,740.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
0.50   
22
1.50   
18
Brinell Hardness
0.69 MPa   
99+
38.00 MPa   
99+
Speed of Sound
3,200.00 m/s   
24
1,190.00 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
Na   
Pb   
Isotopes
  
  
Known Isotopes
17   
22
35   
4
Electronegativity
  
  
Pauling Electronegativity
0.93   
99+
1.87   
13
Sanderson Electronegativity
0.56   
30
2.29   
4
Allred Rochow Electronegativity
1.01   
35
1.55   
11
Mulliken-Jaffe Electronegativity
0.91   
21
2.41   
2
Allen Electronegativity
0.87   
99+
1.85   
8
Electropositivity
  
  
Pauling Electropositivity
3.07   
6
1.67   
99+
Ionization Energies
  
  
1st Energy Level
495.80 kJ/mol   
99+
715.60 kJ/mol   
31
2nd Energy Level
4,562.00 kJ/mol   
4
1,450.50 kJ/mol   
99+
3rd Energy Level
6,910.30 kJ/mol   
6
3,081.50 kJ/mol   
23
4th Energy Level
9,543.00 kJ/mol   
5
4,083.00 kJ/mol   
35
5th Energy Level
13,354.00 kJ/mol   
4
6,640.00 kJ/mol   
20
6th Energy Level
16,613.00 kJ/mol   
4
Not Available   
7th Energy level
20,117.00 kJ/mol   
4
Not Available   
8th Energy Level
25,496.00 kJ/mol   
4
Not Available   
9th Energy Level
28,932.00 kJ/mol   
4
Not Available   
10th Energy Level
141,362.00 kJ/mol   
2
Not Available   
11th Energy Level
159,076.00 kJ/mol   
2
Not Available   
Electrochemical Equivalent
0.86 g/amp-hr   
99+
3.87 g/amp-hr   
9
Electron Work Function
2.75 eV   
40
4.25 eV   
21
Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
11   
99+
82   
34
Electron Configuration
[Ne] 3s1   
[Xe] 4f14 5d10 6s2 6p2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   
Atom
  
  
Number of Protons
11   
99+
82   
34
Number of Neutrons
12   
99+
125   
19
Number of Electrons
11   
99+
82   
34
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
175.00 pm   
19
Covalent Radius
166.00 pm   
27
146.00 pm   
38
Van der Waals Radius
227.00 pm   
21
202.00 pm   
27
Atomic Weight
22.99 amu   
99+
207.20 amu   
30
Atomic Volume
23.70 cm3/mol   
10
18.17 cm3/mol   
27
Adjacent Atomic Numbers
  
  
Previous Element
Beryllium
  
Thallium
  
Next Element
Magnesium
  
Bismuth
  
Valence Electron Potential
14.10 (-eV)   
99+
24.20 (-eV)   
99+
Lattice Constant
429.06 pm   
19
495.08 pm   
16
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
0.97 g/cm3   
99+
11.34 g/cm3   
33
Density When Liquid (at m.p.)
0.93 g/cm3   
99+
10.66 g/cm3   
15
Tensile Strength
Not Available   
12.00 MPa   
20
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
1.64 (Pa)   
7
Elasticity properties
  
  
Shear Modulus
3.30 GPa   
99+
5.60 GPa   
99+
Bulk Modulus
6.30 GPa   
99+
46.00 GPa   
24
Young's Modulus
10.00 GPa   
99+
16.00 GPa   
99+
Poisson Ratio
Not Available   
0.44   
3
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
0.97   
99+
11.35   
25
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
47.70 nΩ·m   
99+
208.00 nΩ·m   
16
Electrical Conductivity
0.21 106/cm Ω   
9
0.05 106/cm Ω   
36
Electron Affinity
52.80 kJ/mol   
19
35.10 kJ/mol   
28
Thermal Properties
Specific Heat
1.23 J/(kg K)   
3
0.13 J/(kg K)   
39
Molar Heat Capacity
28.23 J/mol·K   
10
26.65 J/mol·K   
26
Thermal Conductivity
142.00 W/m·K   
11
35.30 W/m·K   
38
Critical Temperature
2,573.00 K   
2
Not Available   
Thermal Expansion
71.00 µm/(m·K)   
4
28.90 µm/(m·K)   
13
Enthalpy
  
  
Enthalpy of Vaporization
89.04 kJ/mol   
99+
179.40 kJ/mol   
99+
Enthalpy of Fusion
2.59 kJ/mol   
99+
4.77 kJ/mol   
99+
Enthalpy of Atomization
108.40 kJ/mol   
99+
194.60 kJ/mol   
99+
Standard Molar Entropy
51.30 J/mol.K   
28
64.80 J/mol.K   
17
Summary >>
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