×

Lithium
Lithium

Erbium
Erbium



ADD
Compare
X
Lithium
X
Erbium

Lithium vs Erbium

Add ⊕
1 Periodic Table
1.1 Symbol
Li
Er
1.2 Group Number
1NA
Gadolinium
0 17
1.3 Period Number
26
Sodium
2 7
1.4 Block
s block
f block
1.5 Element Family
Alkali
Lanthanide
1.6 CAS Number
74399327440520
Aluminium
7429905 54386242
1.7 Space Group Name
Im_ 3m
P63/mmc
1.8 Space Group Number
229.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  • Erbium metal is used as alloyed with Vanadium to make it softer.
  • Recent studies shows that it is helpful for metabolism.
2.2 Sources
Found in Minerals, Mining
Mining
2.3 History
2.3.1 Who Discovered
Johan August Arfwedson
Carl Gustaf Mosander
2.3.2 Discovery
In 1817
In 1842
2.4 Abundance
2.4.1 Abundance In Universe
6 * 10-7 %2 * 10-7 %
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.00017 %~0.0000001 %
Beryllium
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %0.00 %
Gold
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %0.00 %
Radium
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
0.00 %NA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  • It has a tendency to get tarnished in the open air, but when alloyed with elements like erbium, vanadium, its hardness levels decreases.
  • Its compounds like Erbium oxide is used in safety glasses of welders and metal workers.
3.1.1 Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
Chemical Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys
Alloys
3.2 Biological Properties
3.2.1 Toxicity
NA
Mildly Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
3.2.4 In Bone
1.30 p.p.m.NA
Plutonium
0 170000
4 Physical
4.1 Melting Point
180.54 °C1,522.00 °C
Francium
27 3410
4.2 Boiling Point
1,347.00 °C2,510.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Silvery White
4.3.3 Luster
NA
Lustrous
4.4 Hardness
4.4.1 Mohs Hardness
0.60NA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
5.00 MPa814.00 MPa
Cesium
0.14 3490
4.4.3 Vickers Hardness
NA589.00 MPa
Palladium
121 3430
4.5 Speed of Sound
6,000.00 m/s2,830.00 m/s
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Li
Er
5.2 Isotopes
5.2.1 Known Isotopes
831
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
0.981.24
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
0.89NA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
0.971.11
Cesium
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
0.97NA
Cesium
0.62 2.48
5.3.5 Allen Electronegativity
0.91NA
Cesium
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
3.022.76
Gold
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
520.20 kJ/mol589.30 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
7,298.10 kJ/mol1,150.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
11,815.00 kJ/mol2,194.00 kJ/mol
Osmium
1600 34230
5.5.4 4th Energy Level
NA4,120.00 kJ/mol
Thorium
2780 37066
5.5.5 5th Energy Level
NANA
Dubnium
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium
14110 134700
5.5.10 10th Energy Level
NANA
Strontium
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum
29196 86450
5.5.15 15th Energy Level
NANA
Manganese
41987 97510
5.5.16 16th Energy Level
NANA
Iron
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt
52737 122200
5.5.18 18th Energy Level
NANA
Nickel
58570 134810
5.5.19 19th Energy Level
NANA
Copper
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum
154500 154500
5.6 Electrochemical Equivalent
0.26 g/amp-hr2.08 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
2.90 eVNA
Cesium
2.14 5.65
5.8 Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
368
Sodium
3 117
6.2 Electron Configuration
[He] 2s1
[Xe] 4f12 6s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
368
Sodium
3 117
6.4.2 Number of Neutrons
499
Sodium
4 184
6.4.3 Number of Electrons
368
Sodium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
152.00 pm176.00 pm
Beryllium
112 265
6.5.2 Covalent Radius
128.00 pm189.00 pm
Beryllium
96 260
6.5.3 Van der Waals Radius
182.00 pmNA
Zinc
139 348
6.6 Atomic Weight
6.94 amu167.26 amu
Sodium
6.94 294
6.7 Atomic Volume
13.10 cm3/mol18.40 cm3/mol
Manganese
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
19.00 (-eV)49.00 (-eV)
Francium
8 392.42
6.10 Lattice Constant
351.00 pm355.88 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
NA1.57
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
0.53 g/cm39.07 g/cm3
Palladium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
0.51 g/cm38.86 g/cm3
Sodium
0.512 20
7.2 Tensile Strength
NANA
Indium
2.5 11000
7.3 Viscosity
NANA
Mercury
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
109.00 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
4.20 GPa28.30 GPa
Potassium
1.3 222
7.5.2 Bulk Modulus
11.00 GPa44.40 GPa
Cesium
1.6 462
7.5.3 Young's Modulus
4.90 GPa69.90 GPa
Cesium
1.7 528
7.6 Poisson Ratio
NA0.24
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
NA
Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
0.539.07
Palladium
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
92.80 nΩ·m0.86 nΩ·m
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.11 106/cm Ω0.01 106/cm Ω
Plutonium
0.00666 0.63
8.2.4 Electron Affinity
59.60 kJ/mol50.00 kJ/mol
Mercury
0 222.8
9 Thermal
9.1 Specific Heat
3.60 J/(kg K)0.17 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
24.86 J/mol·K28.12 J/mol·K
Beryllium
16.443 62.7
9.3 Thermal Conductivity
84.80 W/m·K14.50 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
3,223.00 KNA
Ytterbium
26.3 3223
9.5 Thermal Expansion
46.00 µm/(m·K)12.20 µm/(m·K)
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
134.70 kJ/mol261.00 kJ/mol
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
3.00 kJ/mol17.20 kJ/mol
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
160.70 kJ/mol314.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
29.10 J/mol.K73.10 J/mol.K
Beryllium
9.5 198.1