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Meitnerium
Meitnerium

Terbium
Terbium



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Meitnerium
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Terbium

Meitnerium Terbium Comparison

1 Periodic Table
1.1 Symbol
Mt
Tb
1.2 Group Number
9NA
Gadolinium Metal
0 17
1.4 Period Number
76
Lithium Metal
2 7
2.3 Block
d block
f block
2.5 Element Family
Probably Transition
Lanthanide
2.6 CAS Number
540380167440279
Aluminium Metal
7429905 54386242
3.7 Space Group Name
Not Available
P63/mmc
3.8 Space Group Number
NA194.00
Plutonium Metal
11 229
5 Facts
5.1 Interesting Facts
Not Available
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
5.2 Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
5.3 History
5.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Carl Gustaf Mosander
5.3.2 Discovery
In 1982
In 1842
5.4 Abundance
5.4.1 Abundance In Universe
NA5 * 10-8 %
Thallium Metal
5E-09 0.11
5.4.5 Abundance In Sun
~-9999 %~0.00000001 %
Beryllium Metal
1E-08 0.1
5.6.3 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
6.1.1 Abundance In Earth's Crust
NA0.00 %
Radium Metal
9.9E-12 8.1
8.2.8 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
11.1.4 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
12 Uses
12.1 Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
12.1.1 Industrial Uses
NA
Electronic Industry
12.1.2 Medical Uses
NA
NA
12.1.3 Other Uses
NA
Alloys
12.2 Biological Properties
12.2.1 Toxicity
Unknown
Low Toxic
12.2.2 Present in Human Body
12.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium Metal
0 1970
13.3.2 In Bone
0.00 p.p.m.NA
Plutonium Metal
0 170000
14 Physical
14.1 Melting Point
NA1,356.00 °C
Francium Metal
27 3410
14.4 Boiling Point
NA3,123.00 °C
Flerovium Metal
147 5660
15.3 Appearance
15.3.1 Physical State
Solid
Solid
15.3.2 Color
Unknown
Silvery White
15.3.3 Luster
Unknown Luster
Metallic
15.5 Hardness
15.5.1 Mohs Hardness
NANA
Cesium Metal
0.2 8.5
15.7.3 Brinell Hardness
NA677.00 MPa
Cesium Metal
0.14 3490
17.2.2 Vickers Hardness
NA863.00 MPa
Palladium Metal
121 3430
17.6 Speed of Sound
NA2,620.00 m/s
Thallium Metal
818 16200
20.10 Optical Properties
20.10.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
20.10.6 Reflectivity
NANA
Molybdenum Metal
58 97
20.11 Allotropes
20.11.1 α Allotropes
Not Available
Not Available
20.11.2 β Allotropes
Not Available
Not Available
20.11.4 γ Allotropes
Not Available
Not Available
21 Chemical
21.1 Chemical Formula
Mt
Tb
21.2 Isotopes
21.2.1 Known Isotopes
426
Tennessine Metal
0 38
21.3 Electronegativity
21.3.1 Pauling Electronegativity
NANA
Francium Metal
0.7 2.54
21.3.7 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
21.3.15 Allred Rochow Electronegativity
NA1.10
Cesium Metal
0.86 1.82
21.3.23 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
21.3.30 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
21.4 Electropositivity
21.4.1 Pauling Electropositivity
NANA
Gold Metal
1.46 3.3
21.5 Ionization Energies
21.5.1 1st Energy Level
800.80 kJ/mol603.40 kJ/mol
Cesium Metal
375.7 26130
21.5.7 2nd Energy Level
1,823.60 kJ/mol1,174.80 kJ/mol
Ruthenium Metal
710.2162 28750
21.6.2 3rd Energy Level
2,904.20 kJ/mol2,417.00 kJ/mol
Osmium Metal
1600 34230
21.8.1 4th Energy Level
3,859.40 kJ/mol4,203.00 kJ/mol
Thorium Metal
2780 37066
22.4.2 5th Energy Level
4,920.80 kJ/molNA
Dubnium Metal
4305.2 97510
22.5.4 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
23.1.3 7th Energy level
NANA
Bohrium Metal
7226.8 114300
23.5.2 8th Energy Level
NANA
Hassium Metal
8857.4 125300
23.7.1 9th Energy Level
NANA
Yttrium Metal
14110 134700
23.9.1 10th Energy Level
NANA
Strontium Metal
17100 144300
24.3.2 11th Energy Level
NANA
Yttrium Metal
19900 169988
24.11.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
26.1.1 13th Energy Level
NANA
Molybdenum Metal
26930 76015
26.4.3 14th Energy Level
NANA
Molybdenum Metal
29196 86450
26.6.3 15th Energy Level
NANA
Manganese Metal
41987 97510
26.9.3 16th Energy Level
NANA
Iron Metal
47206 109480
26.11.2 17th Energy Level
NANA
Cobalt Metal
52737 122200
26.14.1 18th Energy Level
NANA
Nickel Metal
58570 134810
26.17.2 19th Energy Level
NANA
Copper Metal
64702 148700
26.24.1 20th Energy Level
NANA
Molybdenum Metal
80400 171200
27.3.1 21st Energy Level
NANA
Molybdenum Metal
87000 179100
28.3.1 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
28.3.4 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
28.5.1 24th Energy Level
NANA
Molybdenum Metal
104400 195200
28.8.2 25th Energy Level
NANA
Molybdenum Metal
121900 121900
28.12.1 26th Energy Level
NANA
Molybdenum Metal
127700 127700
30.1.2 27th Energy Level
NANA
Molybdenum Metal
133800 133800
30.1.7 28th Energy Level
NANA
Molybdenum Metal
139800 139800
30.2.1 29th Energy Level
NANA
Molybdenum Metal
148100 148100
31.1.2 30th Energy Level
NANA
Molybdenum Metal
154500 154500
31.4 Electrochemical Equivalent
NA1.98 g/amp-hr
Beryllium Metal
0.16812 8.3209
31.7 Electron Work Function
NA3.00 eV
Cesium Metal
2.14 5.65
31.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
32 Atomic
32.1 Atomic Number
10965
Lithium Metal
3 117
33.3 Electron Configuration
[Rn] 5f14 6d7 7s2
[Xe] 4f9 6s2
33.4 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
33.4.1 Crystal Lattice
33.5 Atom
33.5.1 Number of Protons
10965
Lithium Metal
3 117
35.2.1 Number of Neutrons
15794
Lithium Metal
4 184
35.5.2 Number of Electrons
10965
Lithium Metal
3 117
35.9 Radius of an Atom
35.9.1 Atomic Radius
122.00 pm177.00 pm
Beryllium Metal
112 265
35.10.3 Covalent Radius
129.00 pm194.00 pm
Beryllium Metal
96 260
35.13.1 Van der Waals Radius
NA221.00 pm
Zinc Metal
139 348
36.2 Atomic Weight
278.00 amu158.93 amu
Lithium Metal
6.94 294
37.2 Atomic Volume
NA19.20 cm3/mol
Manganese Metal
1.39 71.07
37.5 Adjacent Atomic Numbers
37.5.1 Previous Element
37.5.2 Next Element
37.6 Valence Electron Potential
NA46.80 (-eV)
Francium Metal
8 392.42
37.8 Lattice Constant
NA360.10 pm
Beryllium Metal
228.58 891.25
37.11 Lattice Angles
NA
π/2, π/2, 2 π/3
37.12 Lattice C/A Ratio
NA1.58
Beryllium Metal
1.567 1.886
38 Mechanical
38.1 Density
38.1.1 Density At Room Temperature
37.40 g/cm38.23 g/cm3
Lithium Metal
0.534 40.7
38.2.2 Density When Liquid (at m.p.)
NA7.65 g/cm3
Lithium Metal
0.512 20
39.2 Tensile Strength
NA60.00 MPa
Indium Metal
2.5 11000
39.4 Viscosity
NANA
Mercury Metal
0.001526 0.001526
39.6 Vapor Pressure
39.6.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium Metal
2.47E-11 121
39.7.1 Vapor Pressure at 2000 K
NA12.50 (Pa)
Tungsten Metal
2.62E-10 774
39.9 Elasticity properties
39.9.1 Shear Modulus
NA22.10 GPa
Potassium Metal
1.3 222
39.10.1 Bulk Modulus
NA38.70 GPa
Cesium Metal
1.6 462
39.11.2 Young's Modulus
NA55.70 GPa
Cesium Metal
1.7 528
39.12 Poisson Ratio
NA0.26
Beryllium Metal
0.032 0.47
39.13 Other Mechanical Properties
NA
Ductile, Malleable
40 Magnetic
40.1 Magnetic Characteristics
40.1.1 Specific Gravity
NA8.23
Lithium Metal
0.53 4500
40.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
40.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
40.2.1 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
40.3 Electrical Properties
40.3.1 Electrical Property
Unknown
Conductor
40.3.2 Resistivity
NA1.15 nΩ·m
Thallium Metal
0.18 961
40.3.3 Electrical Conductivity
NA0.01 106/cm Ω
Plutonium Metal
0.00666 0.63
40.3.4 Electron Affinity
NA50.00 kJ/mol
Mercury Metal
0 222.8
41 Thermal
41.1 Specific Heat
NA0.18 J/(kg K)
Americium Metal
0.11 3.6
41.2 Molar Heat Capacity
NA28.91 J/mol·K
Beryllium Metal
16.443 62.7
41.3 Thermal Conductivity
NA11.10 W/m·K
Neptunium Metal
6.3 429
41.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
41.5 Thermal Expansion
NA10.30 µm/(m·K)
Tungsten Metal
4.5 97
41.6 Enthalpy
41.6.1 Enthalpy of Vaporization
NA330.90 kJ/mol
Zinc Metal
7.32 799.1
41.6.2 Enthalpy of Fusion
NA10.80 kJ/mol
Cesium Metal
2.1 35.23
41.6.3 Enthalpy of Atomization
NA314.00 kJ/mol
Mercury Metal
61.5 837
41.7 Standard Molar Entropy
NA73.20 J/mol.K
Beryllium Metal
9.5 198.1