1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74402797440519
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 Interesting Facts
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
2.2 Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Bombarding Plutonium with Helium Ions
2.3 History
2.3.1 Who Discovered
Carl Gustaf Mosander
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.6.1 Abundance In Sun
~0.00000001 %~-9999 %
1E-08
0.1
2.6.2 Abundance In Meteorites
3.4.2 Abundance In Earth's Crust
3.4.4 Abundance In Oceans
3.4.5 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Terbium salts are used in optical devices like laser devices.
-
Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
- Curium metal is used to provide power to electrical equipment for space missions.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
5 Physical
5.1 Melting Point
1,356.00 °C1,340.00 °C
27
3410
5.2 Boiling Point
3,123.00 °C3,110.00 °C
147
5660
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.4.3 Brinell Hardness
7.1.1 Vickers Hardness
7.3 Speed of Sound
7.6 Optical Properties
7.6.1 Refractive Index
7.6.2 Reflectivity
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.4.1 Sanderson Electronegativity
8.4.2 Allred Rochow Electronegativity
8.5.3 Mulliken-Jaffe Electronegativity
9.2.2 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
603.40 kJ/mol581.00 kJ/mol
375.7
26130
9.5.2 2nd Energy Level
1,174.80 kJ/mol1,196.00 kJ/mol
710.2162
28750
9.5.4 3rd Energy Level
2,417.00 kJ/mol2,026.00 kJ/mol
1600
34230
9.5.6 4th Energy Level
4,203.00 kJ/mol3,550.00 kJ/mol
2780
37066
9.5.8 5th Energy Level
9.5.9 6th Energy Level
9.6.2 7th Energy level
9.7.2 8th Energy Level
9.7.4 9th Energy Level
9.7.6 10th Energy Level
9.7.8 11th Energy Level
9.7.10 12th Energy Level
9.7.12 13th Energy Level
9.7.14 14th Energy Level
9.7.16 15th Energy Level
9.7.18 16th Energy Level
9.7.20 17th Energy Level
9.7.22 18th Energy Level
9.7.23 19th Energy Level
9.7.25 20th Energy Level
9.7.27 21st Energy Level
9.7.29 22nd Energy Level
9.7.30 23rd Energy Level
9.7.32 24th Energy Level
9.7.34 25th Energy Level
9.7.37 26th Energy Level
9.7.39 27th Energy Level
9.7.43 28th Energy Level
9.7.47 29th Energy Level
9.8.1 30th Energy Level
9.10 Electrochemical Equivalent
1.98 g/amp-hr3.07 g/amp-hr
0.16812
8.3209
10.3 Electron Work Function
10.6 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes
11 Atomic
11.1 Atomic Number
11.2 Electron Configuration
[Xe] 4f9 6s2
[Rn] 5f7 6d1 7s2
11.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
11.3.2 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
11.4.2 Number of Neutrons
11.5.3 Number of Electrons
11.6 Radius of an Atom
11.6.1 Atomic Radius
177.00 pm174.00 pm
112
265
11.7.1 Covalent Radius
194.00 pm169.00 pm
96
260
11.7.2 Van der Waals Radius
221.00 pm200.00 pm
139
348
11.9 Atomic Weight
158.93 amu247.00 amu
6.94
294
11.12 Atomic Volume
19.20 cm3/mol18.28 cm3/mol
1.39
71.07
11.14 Adjacent Atomic Numbers
11.14.1 Previous Element
11.14.2 Next Element
11.15 Valence Electron Potential
46.80 (-eV)44.50 (-eV)
8
392.42
11.18 Lattice Constant
360.10 pmNA
228.58
891.25
12.2 Lattice Angles
12.3 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
8.23 g/cm313.51 g/cm3
0.534
40.7
13.1.3 Density When Liquid (at m.p.)
7.65 g/cm313.85 g/cm3
0.512
20
13.3 Tensile Strength
13.5 Viscosity
13.7 Vapor Pressure
13.7.1 Vapor Pressure at 1000 K
13.7.3 Vapor Pressure at 2000 K
12.50 (Pa)NA
2.62E-10
774
13.9 Elasticity properties
13.9.1 Shear Modulus
13.9.2 Bulk Modulus
13.9.4 Young's Modulus
13.10 Poisson Ratio
13.12 Other Mechanical Properties
Ductile, Malleable
Unknown
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
15.1.2 Magnetic Ordering
Paramagnetic
Antiferromagnetic
15.1.3 Permeability
15.1.6 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
1.15 nΩ·m1.25 nΩ·m
0.18
961
15.3.3 Electrical Conductivity
0.01 106/cm ΩNA
0.00666
0.63
15.3.5 Electron Affinity
16 Thermal
16.1 Specific Heat
16.2 Molar Heat Capacity
28.91 J/mol·KNA
16.443
62.7
17.2 Thermal Conductivity
17.4 Critical Temperature
17.6 Thermal Expansion
17.8 Enthalpy
17.8.1 Enthalpy of Vaporization
330.90 kJ/molNA
7.32
799.1
17.9.1 Enthalpy of Fusion
10.80 kJ/mol15.00 kJ/mol
2.1
35.23
17.10.2 Enthalpy of Atomization
17.11 Standard Molar Entropy
73.20 J/mol.KNA
9.5
198.1