1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
2.5 Block
2.6 Element Family
Transition Metal
Actinide
2.7 CAS Number
74403267440326
7429905
54386242
1.3 Space Group Name
1.4 Space Group Number
2 Facts
2.1 Interesting Facts
- The only metal which burns in Nitrogen is Titanium.
- Titanium is also known as corrosion resistant metal.
- Thorium metal is used as an alternate option over Uranium for nuclear fuel.
- Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
2.3 Sources
Found in Minerals, Mining
Found in Minerals, Mining
2.4 History
2.4.1 Who Discovered
W. Gregor & J. Berzelius
Jöns Jakob Berzelius
2.4.2 Discovery
2.5 Abundance
2.5.1 Abundance In Universe
3 * 10-4 %3 * 10-4 %
5E-09
0.11
2.5.2 Abundance In Sun
~0.0004 %~0.0004 %
1E-08
0.1
2.5.5 Abundance In Meteorites
2.5.7 Abundance In Earth's Crust
3.2.5 Abundance In Oceans
3.2.6 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Its alloys are used in spacecraft, aircraft and ammunition industry.
- Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
- Thorium metal is used as an allying agent for Magnesium, It imparts greater strength and resistance to temperature.
-
compound of this metal Thorium oxide is used as an industrial catalyst.
4.1.2 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
4.1.3 Medical Uses
Dentistry, Surgical Instruments Manufacturing
Dentistry, Surgical Instruments Manufacturing
4.1.4 Other Uses
Alloys, Jewellery, Sculptures, Statues
Alloys, Jewellery, Sculptures, Statues
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.05 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
6 Physical
6.1 Melting Point
1,660.00 °C1,750.00 °C
27
3410
6.2 Boiling Point
3,287.00 °C4,790.00 °C
147
5660
6.4 Appearance
6.4.1 Physical State
6.4.2 Color
Silvery Gray-White
Silver
6.4.3 Luster
6.5 Hardness
6.5.1 Mohs Hardness
6.5.2 Brinell Hardness
716.00 MPa390.00 MPa
0.14
3490
6.7.2 Vickers Hardness
830.00 MPa295.00 MPa
121
3430
6.9 Speed of Sound
5,090.00 m/s2,490.00 m/s
818
16200
6.10 Optical Properties
6.10.1 Refractive Index
6.11.2 Reflectivity
6.12 Allotropes
6.12.1 α Allotropes
Not Available
Not Available
6.12.2 β Allotropes
Not Available
Not Available
6.12.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.5.4 Sanderson Electronegativity
8.3.4 Allred Rochow Electronegativity
8.3.7 Mulliken-Jaffe Electronegativity
8.3.10 Allen Electronegativity
8.6 Electropositivity
8.6.1 Pauling Electropositivity
8.7 Ionization Energies
8.7.1 1st Energy Level
658.80 kJ/mol587.00 kJ/mol
375.7
26130
8.7.3 2nd Energy Level
1,309.80 kJ/mol1,110.00 kJ/mol
710.2162
28750
8.7.6 3rd Energy Level
2,652.50 kJ/mol1,978.00 kJ/mol
1600
34230
8.7.10 4th Energy Level
4,174.60 kJ/mol2,780.00 kJ/mol
2780
37066
8.7.13 5th Energy Level
9,581.00 kJ/molNA
4305.2
97510
8.7.15 6th Energy Level
11,533.00 kJ/molNA
5715.8
105800
8.7.19 7th Energy level
13,590.00 kJ/molNA
7226.8
114300
8.7.22 8th Energy Level
16,440.00 kJ/molNA
8857.4
125300
8.7.23 9th Energy Level
18,530.00 kJ/molNA
14110
134700
8.7.26 10th Energy Level
20,833.00 kJ/molNA
17100
144300
8.7.27 11th Energy Level
25,575.00 kJ/molNA
19900
169988
8.7.29 12th Energy Level
28,125.00 kJ/molNA
22219
189368
8.7.31 13th Energy Level
76,015.00 kJ/molNA
26930
76015
8.7.33 14th Energy Level
83,280.00 kJ/molNA
29196
86450
8.7.35 15th Energy Level
90,880.00 kJ/molNA
41987
97510
8.7.37 16th Energy Level
100,700.00 kJ/molNA
47206
109480
8.7.40 17th Energy Level
109,100.00 kJ/molNA
52737
122200
8.7.41 18th Energy Level
117,800.00 kJ/molNA
58570
134810
8.7.44 19th Energy Level
129,900.00 kJ/molNA
64702
148700
8.7.47 20th Energy Level
137,530.00 kJ/molNA
80400
171200
8.7.50 21st Energy Level
8.7.55 22nd Energy Level
8.7.57 23rd Energy Level
8.7.61 24th Energy Level
8.7.64 25th Energy Level
8.7.68 26th Energy Level
8.8.2 27th Energy Level
8.9.1 28th Energy Level
9.1.1 29th Energy Level
9.1.3 30th Energy Level
9.5 Electrochemical Equivalent
0.45 g/amp-hr2.16 g/amp-hr
0.16812
8.3209
9.6 Electron Work Function
9.7 Other Chemical Properties
Chemical Stability, Ionization
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Ar] 3d2 4s2
[Rn] 6d2 7s2
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.6.2 Number of Neutrons
10.7.2 Number of Electrons
10.10 Radius of an Atom
10.10.1 Atomic Radius
147.00 pm179.80 pm
112
265
10.11.1 Covalent Radius
160.00 pm206.00 pm
96
260
10.13.1 Van der Waals Radius
200.00 pm237.00 pm
139
348
10.14 Atomic Weight
47.87 amu232.04 amu
6.94
294
10.18 Atomic Volume
10.64 cm3/mol19.90 cm3/mol
1.39
71.07
11.2 Adjacent Atomic Numbers
11.2.1 Previous Element
11.2.2 Next Element
11.3 Valence Electron Potential
95.20 (-eV)59.30 (-eV)
8
392.42
11.4 Lattice Constant
295.08 pm508.42 pm
228.58
891.25
11.6 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
11.7 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
4.51 g/cm311.72 g/cm3
0.534
40.7
12.2.2 Density When Liquid (at m.p.)
12.4 Tensile Strength
12.5 Viscosity
12.6 Vapor Pressure
12.6.1 Vapor Pressure at 1000 K
12.6.3 Vapor Pressure at 2000 K
0.98 (Pa)0.00 (Pa)
2.62E-10
774
12.8 Elasticity properties
12.8.1 Shear Modulus
44.00 GPa31.00 GPa
1.3
222
13.1.2 Bulk Modulus
110.00 GPa54.00 GPa
1.6
462
13.1.5 Young's Modulus
116.00 GPa79.00 GPa
1.7
528
13.3 Poisson Ratio
13.4 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.1.3 Magnetic Ordering
Paramagnetic
Paramagnetic
14.1.4 Permeability
14.1.6 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
Poor Conductor
Superconductor
15.2.2 Resistivity
420.00 nΩ·m157.00 nΩ·m
0.18
961
15.3.1 Electrical Conductivity
0.02 106/cm Ω0.07 106/cm Ω
0.00666
0.63
15.5.1 Electron Affinity
16 Thermal
16.1 Specific Heat
0.52 J/(kg K)0.12 J/(kg K)
0.11
3.6
1.2 Molar Heat Capacity
25.06 J/mol·K26.23 J/mol·K
16.443
62.7
1.3 Thermal Conductivity
21.90 W/m·K54.00 W/m·K
6.3
429
1.4 Critical Temperature
1.5 Thermal Expansion
8.60 µm/(m·K)11.00 µm/(m·K)
4.5
97
1.6 Enthalpy
1.6.1 Enthalpy of Vaporization
429.00 kJ/mol429.00 kJ/mol
7.32
799.1
1.8.1 Enthalpy of Fusion
15.48 kJ/mol15.48 kJ/mol
2.1
35.23
1.9.1 Enthalpy of Atomization
468.60 kJ/mol468.60 kJ/mol
61.5
837
1.11 Standard Molar Entropy
27.30 J/mol.K27.30 J/mol.K
9.5
198.1