Home

What is Mercury?

Mercury In Periodic Table

Mercury Symbol
Hg

Group Number
12
6
📊

Period Number
6
📊

Block
d block
📊

Element Family
Transition Metal
📊

CAS Number of Mercury
7439976
81

Space Group Name
R_ 3m

Space Group Number
166.00
6
📊

Facts about Mercury

Interesting Facts
  • 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.

Sources
Mining, Ores of Minerals

History of Mercury

Who Discovered
Ancient Chinese and Indians

Discovery
Before 2000 BCE

Abundance of Mercury

Abundance In Universe
Not Available

Abundance In Sun
125.00 %
1
📊

Abundance In Meteorites
Not Available

Abundance In Earth's Crust
0.05 %
9
📊

Abundance In Oceans
Not Available

Abundance In Humans
Not Available

Uses of Mercury

Uses & Benefits
  • 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.

Industrial Uses
Electrical Industry, Electronic Industry

Medical Uses
Dentistry

Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry

Biological Properties

Toxicity
Highly Toxic
📊

Present in Human Body
📊

In Blood
0.01 Blood/mg dm-3
23

In Bone
0.45 p.p.m.
19

Physical Properties of Mercury

Mercury Melting Point
-38.87 °C
82
📊

Mercury Boiling Point
356.58 °C
78
📊

Appearance of Mercury

Physical State
Liquid
📊

Color
Silver

Luster
NA

Hardness of Mercury

Mohs Hardness
Not Available

Brinell Hardness
Not Available

Vickers Hardness
Not Available

Speed of Sound
1,451.40 m/s
49
📊

Optical Properties

Refractive Index
1.00
3
📊

Reflectivity
73.00 %
8
📊

Allotropes

α Allotropes
Not Available

β Allotropes
Not Available

γ Allotropes
Not Available

Chemical Properties of Mercury

Chemical Formula
Hg

Isotopes of Mercury

Known Isotopes
34
5
📊

Electronegativity

Pauling Electronegativity
2.00
7
📊

Sanderson Electronegativity
2.20
7
📊

Allred Rochow Electronegativity
1.44
17
📊

Mulliken-Jaffe Electronegativity
1.81
9
📊

Allen Electronegativity
1.44
30
📊

Electropositivity

Pauling Electropositivity
2.00
46
📊

Ionization Energies

1st Energy Level
1,007.10 kJ/mol
4
📊

2nd Energy Level
1,810.00 kJ/mol
20
📊

3rd Energy Level
3,300.00 kJ/mol
20
📊

4th Energy Level
Not Available

5th Energy Level
Not Available

6th Energy Level
Not Available

7th Energy level
Not Available

8th Energy Level
Not Available

9th Energy Level
Not Available

10th Energy Level
Not Available

11th Energy Level
Not Available

12th Energy Level
Not Available

13th Energy Level
Not Available

14th Energy Level
Not Available

15th Energy Level
Not Available

16th Energy Level
Not Available

17th Energy Level
Not Available

18th Energy Level
Not Available

19th Energy Level
Not Available

20th Energy Level
Not Available

21st Energy Level
Not Available

22nd Energy Level
Not Available

23rd Energy Level
Not Available

24th Energy Level
Not Available

25th Energy Level
Not Available

26th Energy Level
Not Available

27th Energy Level
Not Available

28th Energy Level
Not Available

29th Energy Level
Not Available

30th Energy Level
Not Available

Electrochemical Equivalent
3.74 g/amp-hr
10
📊

Electron Work Function
4.49 eV
15
📊

Other Chemical Properties
Flammability, Ionization, Solubility

Atomic Properties of Mercury

Atomic Number of Mercury
80
36
📊

Mercury Electron Configuration
[Xe] 4f14 5d10 6s2

Crystal Structure
Rhombohedral (RHO)
📊

Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100

Atom of Mercury

Number of Protons
80
36
📊

Number of Neutrons
121
23
📊

Number of Electrons
80
36
📊

Radius of an Atom

Atomic Radius
151.00 pm
32
📊

Covalent Radius
132.00 pm
48
📊

Van der Waals Radius
155.00 pm
42
📊

Atomic Weight
200.59 amu
32
📊

Atomic Volume
14.82 cm3/mol
35
📊

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential
28.20 (-eV)
54
📊

Lattice Constant
300.50 pm
59
📊

Lattice Angles
NA

Lattice C/A Ratio
Not Available

Mechanical Properties of Mercury

Mercury Density

Density At Room Temperature
13.53 g/cm3
24
📊

Density When Liquid (at m.p.)
Not Available

Tensile Strength
Not Available

Viscosity
0.00
1
📊

Vapor Pressure of Mercury

Vapor Pressure at 1000 K
Not Available

Vapor Pressure at 2000 K
Not Available

Elasticity properties

Shear Modulus
Not Available

Bulk Modulus
Not Available

Young's Modulus
Not Available

Poisson Ratio
Not Available

Other Mechanical Properties
NA

Magnetic Properties of Mercury

Magnetic Characteristics of Mercury

Specific Gravity
13.53
16
📊

Magnetic Ordering
Diamagnetic
📊

Permeability
Not Available

Susceptibility
Not Available

Electrical Properties

Electrical Property
Conductor
📊

Resistivity
961.00 nΩ·m
1
📊

Electrical Conductivity
0.01 106/cm Ω
57
📊

Electron Affinity
0.00 kJ/mol
40
📊

Thermal Properties of Mercury

Specific Heat
0.14 J/(kg K)
38
📊

Molar Heat Capacity
27.98 J/mol·K
13
📊

Thermal Conductivity
8.30 W/m·K
66
📊

Critical Temperature
1,750.00 K
6

Thermal Expansion
60.40 µm/(m·K)
5
📊

Enthalpy of Mercury

Enthalpy of Vaporization
56.90 kJ/mol
59
📊

Enthalpy of Fusion
2.29 kJ/mol
61
📊

Enthalpy of Atomization
61.50 kJ/mol
62
📊

Standard Molar Entropy
75.80 J/mol.K
6
📊