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Terbium
Terbium

Lithium
Lithium



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Terbium
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Lithium

Terbium Lithium Comparison

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1 Periodic Table
1.1 Symbol
Tb
Li
1.2 Group Number
NA1
Gadolinium Metal
0 17
1.4 Period Number
62
Sodium
2 7
1.5 Block
f block
s block
1.6 Element Family
Lanthanide
Alkali
1.7 CAS Number
74402797439932
Aluminium Metal
7429905 54386242
1.11 Space Group Name
P63/mmc
Im_ 3m
1.12 Space Group Number
194.00229.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
2.2 Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Carl Gustaf Mosander
Johan August Arfwedson
2.3.2 Discovery
In 1842
In 1817
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-8 %6 * 10-7 %
Thallium Metal
5E-09 0.11
3.1.3 Abundance In Sun
~0.00000001 %~0.00017 %
Beryllium Metal
1E-08 0.1
3.2.2 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
3.6.5 Abundance In Earth's Crust
0.00 %0.00 %
Radium Metal
9.9E-12 8.1
3.7.2 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
3.8.2 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
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.
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
4.1.1 Industrial Uses
Electronic Industry
Aerospace Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Low Toxic
NA
4.2.2 Present in Human Body
1.1.1 In Blood
NA0.00 Blood/mg dm-3
Plutonium Metal
0 1970
2.1.2 In Bone
NA1.30 p.p.m.
Plutonium Metal
0 170000
3 Physical
3.1 Melting Point
1,356.00 °C180.54 °C
Francium Metal
27 3410
3.5 Boiling Point
3,123.00 °C1,347.00 °C
Flerovium Metal
147 5660
3.9 Appearance
3.9.1 Physical State
Solid
Solid
3.9.2 Color
Silvery White
Silvery White
3.9.3 Luster
Metallic
NA
3.10 Hardness
3.10.1 Mohs Hardness
NA0.60
Cesium Metal
0.2 8.5
1.2.1 Brinell Hardness
677.00 MPa5.00 MPa
Cesium Metal
0.14 3490
1.5.3 Vickers Hardness
863.00 MPaNA
Palladium Metal
121 3430
2.2 Speed of Sound
2,620.00 m/s6,000.00 m/s
Thallium Metal
818 16200
2.7 Optical Properties
2.7.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
2.12.3 Reflectivity
NANA
Molybdenum Metal
58 97
4.2 Allotropes
4.2.1 α Allotropes
Not Available
Not Available
4.2.2 β Allotropes
Not Available
Not Available
4.2.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Tb
Li
5.2 Isotopes
5.2.1 Known Isotopes
268
Tennessine Metal
0 38
7.5 Electronegativity
7.5.1 Pauling Electronegativity
NA0.98
Francium Metal
0.7 2.54
8.1.2 Sanderson Electronegativity
NA0.89
Cesium Metal
0.22 2.56
8.4.1 Allred Rochow Electronegativity
1.100.97
Cesium Metal
0.86 1.82
8.6.1 Mulliken-Jaffe Electronegativity
NA0.97
Cesium Metal
0.62 2.48
8.10.2 Allen Electronegativity
NA0.91
Cesium Metal
0.659 2.7
9.5 Electropositivity
9.5.1 Pauling Electropositivity
NA3.02
Gold Metal
1.46 3.3
9.8 Ionization Energies
9.8.1 1st Energy Level
603.40 kJ/mol520.20 kJ/mol
Cesium Metal
375.7 26130
9.9.1 2nd Energy Level
1,174.80 kJ/mol7,298.10 kJ/mol
Ruthenium Metal
710.2162 28750
11.3.1 3rd Energy Level
2,417.00 kJ/mol11,815.00 kJ/mol
Osmium Metal
1600 34230
12.3.1 4th Energy Level
4,203.00 kJ/molNA
Thorium Metal
2780 37066
13.3.2 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
13.6.1 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
13.6.2 7th Energy level
NANA
Bohrium Metal
7226.8 114300
13.7.1 8th Energy Level
NANA
Hassium Metal
8857.4 125300
13.8.2 9th Energy Level
NANA
Yttrium Metal
14110 134700
13.8.4 10th Energy Level
NANA
Strontium Metal
17100 144300
13.8.8 11th Energy Level
NANA
Yttrium Metal
19900 169988
13.10.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
13.10.4 13th Energy Level
NANA
Molybdenum Metal
26930 76015
13.12.2 14th Energy Level
NANA
Molybdenum Metal
29196 86450
13.14.0 15th Energy Level
NANA
Manganese Metal
41987 97510
14.3.1 16th Energy Level
NANA
Iron Metal
47206 109480
14.3.3 17th Energy Level
NANA
Cobalt Metal
52737 122200
15.2.2 18th Energy Level
NANA
Nickel Metal
58570 134810
15.2.4 19th Energy Level
NANA
Copper Metal
64702 148700
15.2.7 20th Energy Level
NANA
Molybdenum Metal
80400 171200
15.2.10 21st Energy Level
NANA
Molybdenum Metal
87000 179100
15.2.12 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
15.2.13 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
15.3.3 24th Energy Level
NANA
Molybdenum Metal
104400 195200
15.3.6 25th Energy Level
NANA
Molybdenum Metal
121900 121900
15.3.9 26th Energy Level
NANA
Molybdenum Metal
127700 127700
15.3.11 27th Energy Level
NANA
Molybdenum Metal
133800 133800
15.3.12 28th Energy Level
NANA
Molybdenum Metal
139800 139800
15.3.16 29th Energy Level
NANA
Molybdenum Metal
148100 148100
15.3.17 30th Energy Level
NANA
Molybdenum Metal
154500 154500
15.4 Electrochemical Equivalent
1.98 g/amp-hr0.26 g/amp-hr
Beryllium Metal
0.16812 8.3209
16.3 Electron Work Function
3.00 eV2.90 eV
Cesium Metal
2.14 5.65
16.7 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Corrosion, Flammable, Ionization, Radioactive Isotopes
17 Atomic
17.1 Atomic Number
653
Sodium
3 117
17.2 Electron Configuration
[Xe] 4f9 6s2
[He] 2s1
17.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
17.4.1 Crystal Lattice
17.5 Atom
17.5.1 Number of Protons
653
Sodium
3 117
17.5.5 Number of Neutrons
944
Sodium
4 184
17.6.3 Number of Electrons
653
Sodium
3 117
17.9 Radius of an Atom
17.9.1 Atomic Radius
177.00 pm152.00 pm
Beryllium Metal
112 265
17.9.5 Covalent Radius
194.00 pm128.00 pm
Beryllium Metal
96 260
17.9.9 Van der Waals Radius
221.00 pm182.00 pm
Zinc Metal
139 348
17.10 Atomic Weight
158.93 amu6.94 amu
Sodium
6.94 294
17.12 Atomic Volume
19.20 cm3/mol13.10 cm3/mol
Manganese Metal
1.39 71.07
18.2 Adjacent Atomic Numbers
18.2.1 Previous Element
18.2.2 Next Element
18.3 Valence Electron Potential
46.80 (-eV)19.00 (-eV)
Francium Metal
8 392.42
18.5 Lattice Constant
360.10 pm351.00 pm
Beryllium Metal
228.58 891.25
18.7 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
18.8 Lattice C/A Ratio
1.58NA
Beryllium Metal
1.567 1.886
19 Mechanical
19.1 Density
19.1.1 Density At Room Temperature
8.23 g/cm30.53 g/cm3
Palladium
0.534 40.7
19.2.1 Density When Liquid (at m.p.)
7.65 g/cm30.51 g/cm3
Sodium
0.512 20
1.4 Tensile Strength
60.00 MPaNA
Indium Metal
2.5 11000
1.5 Viscosity
NANA
Mercury Metal
0.001526 0.001526
1.8 Vapor Pressure
1.8.1 Vapor Pressure at 1000 K
0.00 (Pa)109.00 (Pa)
Cerium Metal
2.47E-11 121
1.9.1 Vapor Pressure at 2000 K
12.50 (Pa)NA
Tungsten Metal
2.62E-10 774
2.2 Elasticity properties
2.2.1 Shear Modulus
22.10 GPa4.20 GPa
Potassium Metal
1.3 222
2.5.3 Bulk Modulus
38.70 GPa11.00 GPa
Cesium Metal
1.6 462
2.5.9 Young's Modulus
55.70 GPa4.90 GPa
Cesium Metal
1.7 528
2.8 Poisson Ratio
0.26NA
Beryllium Metal
0.032 0.47
2.10 Other Mechanical Properties
Ductile, Malleable
NA
3 Magnetic
3.1 Magnetic Characteristics
3.1.1 Specific Gravity
8.230.53
Palladium
0.53 4500
3.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
3.2.2 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
3.4.2 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
3.6 Electrical Properties
3.6.1 Electrical Property
Conductor
Conductor
3.6.2 Resistivity
1.15 nΩ·m92.80 nΩ·m
Thallium Metal
0.18 961
4.2.1 Electrical Conductivity
0.01 106/cm Ω0.11 106/cm Ω
Plutonium Metal
0.00666 0.63
4.4.1 Electron Affinity
50.00 kJ/mol59.60 kJ/mol
Mercury Metal
0 222.8
6 Thermal
6.1 Specific Heat
0.18 J/(kg K)3.60 J/(kg K)
Americium Metal
0.11 3.6
6.5 Molar Heat Capacity
28.91 J/mol·K24.86 J/mol·K
Beryllium Metal
16.443 62.7
6.7 Thermal Conductivity
11.10 W/m·K84.80 W/m·K
Neptunium Metal
6.3 429
6.9 Critical Temperature
NA3,223.00 K
Ytterbium Metal
26.3 3223
6.11 Thermal Expansion
10.30 µm/(m·K)46.00 µm/(m·K)
Tungsten Metal
4.5 97
7.3 Enthalpy
7.3.1 Enthalpy of Vaporization
330.90 kJ/mol134.70 kJ/mol
Zinc Metal
7.32 799.1
7.5.3 Enthalpy of Fusion
10.80 kJ/mol3.00 kJ/mol
Cesium Metal
2.1 35.23
7.5.4 Enthalpy of Atomization
314.00 kJ/mol160.70 kJ/mol
Mercury Metal
61.5 837
7.8 Standard Molar Entropy
73.20 J/mol.K29.10 J/mol.K
Beryllium Metal
9.5 198.1