Mercury vs Titanium
Periodic Table
Symbol
Hg
Ti
Group Number
12
6
4
14
Period Number
6
4
Block
d block
d block
Element Family
Transition Metal
Transition Metal
CAS Number
7439976
99+
7440326
99+
Space Group Name
R_ 3m
P63/mmc
Space Group Number
166.00
6
194.00
5
Facts
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.
- The only metal which burns in Nitrogen is Titanium.
- Titanium is also known as corrosion resistant metal.
Sources
Mining, Ores of Minerals
Found in Minerals, Mining
History
Who Discovered
Ancient Chinese and Indians
W. Gregor & J. Berzelius
Discovery
Before 2000 BCE
In 1791
Abundance
Abundance In Universe
Not Available
3 * 10-4 %
9
Abundance In Sun
~-9999 %
~0.0004 %
9
Abundance In Meteorites
Not Available
0.05 %
11
Abundance In Earth's Crust
0.05 %
9
0.66 %
7
Abundance In Oceans
Not Available
0.00 %
15
Uses
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.
- Its alloys are used in spacecraft, aircraft and ammunition industry.
- Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
Industrial Uses
Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Medical Uses
Dentistry
Dentistry, Surgical Instruments Manufacturing
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry
Alloys, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
Yes
Yes
In Blood
0.01 Blood/mg dm-3
23
0.05 Blood/mg dm-3
16
In Bone
0.45 p.p.m.
19
Not Available
Physical Properties
Melting Point
Not Available
1,660.00 °C
18
Boiling Point
356.58 °C
99+
3,287.00 °C
22
Appearance
Physical State
Liquid
Solid
Color
Silver
Silvery Gray-White
Luster
NA
Metallic
Hardness
Mohs Hardness
Not Available
6.00
6
Brinell Hardness
Not Available
716.00 MPa
15
Vickers Hardness
Not Available
830.00 MPa
14
Speed of Sound
1,451.40 m/s
99+
5,090.00 m/s
9
Optical Properties
Refractive Index
1.00
3
Not Available
Reflectivity
73.00 %
8
Not Available
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
Hg
Ti
Isotopes
Known Isotopes
34
5
23
16
Electronegativity
Pauling Electronegativity
2.00
7
1.54
26
Sanderson Electronegativity
2.20
7
1.09
20
Allred Rochow Electronegativity
1.44
17
1.32
23
Mulliken-Jaffe Electronegativity
1.81
9
Not Available
Allen Electronegativity
1.44
30
1.38
32
Electropositivity
Pauling Electropositivity
2.00
99+
2.46
28
Ionization Energies
1st Energy Level
1,007.10 kJ/mol
4
658.80 kJ/mol
39
2nd Energy Level
1,810.00 kJ/mol
20
1,309.80 kJ/mol
99+
3rd Energy Level
3,300.00 kJ/mol
20
2,652.50 kJ/mol
99+
4th Energy Level
Not Available
4,174.60 kJ/mol
32
5th Energy Level
Not Available
9,581.00 kJ/mol
5
6th Energy Level
Not Available
11,533.00 kJ/mol
6
7th Energy level
Not Available
13,590.00 kJ/mol
6
8th Energy Level
Not Available
16,440.00 kJ/mol
8
9th Energy Level
Not Available
18,530.00 kJ/mol
11
10th Energy Level
Not Available
20,833.00 kJ/mol
15
11th Energy Level
Not Available
25,575.00 kJ/mol
14
12th Energy Level
Not Available
28,125.00 kJ/mol
14
13th Energy Level
Not Available
76,015.00 kJ/mol
1
14th Energy Level
Not Available
83,280.00 kJ/mol
2
15th Energy Level
Not Available
90,880.00 kJ/mol
3
16th Energy Level
Not Available
100,700.00 kJ/mol
4
17th Energy Level
Not Available
109,100.00 kJ/mol
5
18th Energy Level
Not Available
117,800.00 kJ/mol
6
19th Energy Level
Not Available
129,900.00 kJ/mol
7
20th Energy Level
Not Available
137,530.00 kJ/mol
9
Electrochemical Equivalent
3.74 g/amp-hr
10
0.45 g/amp-hr
99+
Electron Work Function
4.49 eV
15
4.33 eV
17
Other Chemical Properties
Flammability, Ionization, Solubility
Chemical Stability, Ionization
Atomic Properties
Atomic Number
80
36
22
99+
Electron Configuration
[Xe] 4f14 5d10 6s2
[Ar] 3d2 4s2
Crystal Structure
Rhombohedral (RHO)
Hexagonal Close Packed (HCP)
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100
HCP-Crystal-Structure-of-Titanium.jpg#100
Atom
Number of Protons
80
36
22
99+
Number of Neutrons
121
22
26
99+
Number of Electrons
80
36
22
99+
Radius of an Atom
Atomic Radius
151.00 pm
32
147.00 pm
34
Covalent Radius
132.00 pm
99+
160.00 pm
30
Van der Waals Radius
155.00 pm
99+
200.00 pm
28
Atomic Weight
200.59 amu
32
47.87 amu
99+
Atomic Volume
14.82 cm3/mol
35
10.64 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
28.20 (-eV)
99+
95.20 (-eV)
10
Lattice Constant
300.50 pm
99+
295.08 pm
99+
Lattice Angles
NA
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
13.53 g/cm3
24
4.51 g/cm3
99+
Density When Liquid (at m.p.)
Not Available
4.11 g/cm3
99+
Tensile Strength
Not Available
434.00 MPa
9
Viscosity
0.00
1
Not Available
Vapor Pressure
Vapor Pressure at 2000 K
Not Available
0.98 (Pa)
14
Elasticity properties
Shear Modulus
Not Available
44.00 GPa
17
Bulk Modulus
Not Available
110.00 GPa
15
Young's Modulus
Not Available
116.00 GPa
18
Poisson Ratio
Not Available
0.32
12
Other Mechanical Properties
NA
Ductile
Magnetic Properties
Magnetic Characteristics
Specific Gravity
13.53
16
4.51
99+
Magnetic Ordering
Diamagnetic
Paramagnetic
Electrical Properties
Electrical Property
Conductor
Poor Conductor
Resistivity
961.00 nΩ·m
1
420.00 nΩ·m
12
Electrical Conductivity
0.01 106/cm Ω
99+
0.02 106/cm Ω
99+
Electron Affinity
0.00 kJ/mol
40
7.60 kJ/mol
37
Thermal Properties
Specific Heat
0.14 J/(kg K)
38
0.52 J/(kg K)
9
Molar Heat Capacity
27.98 J/mol·K
13
25.06 J/mol·K
99+
Thermal Conductivity
8.30 W/m·K
99+
21.90 W/m·K
99+
Critical Temperature
1,750.00 K
6
Not Available
Thermal Expansion
60.40 µm/(m·K)
5
8.60 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
56.90 kJ/mol
99+
429.00 kJ/mol
15
Enthalpy of Fusion
2.29 kJ/mol
99+
15.48 kJ/mol
19
Enthalpy of Atomization
61.50 kJ/mol
99+
468.60 kJ/mol
15
Standard Molar Entropy
75.80 J/mol.K
6
27.30 J/mol.K
99+
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