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Seaborgium
Seaborgium

Cerium
Cerium



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Seaborgium Cerium Comparison

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1 Periodic Table
1.1 Symbol
Sg
Ce
1.2 Group Number
6NA
Gadolinium Metal
0 17
1.4 Period Number
76
Lithium Metal
2 7
1.5 Block
d block
f block
1.6 Element Family
Transition Metal
Lanthanide
1.7 CAS Number
540388127440451
Aluminium Metal
7429905 54386242
1.12 Space Group Name
Not Available
P63/mmc
1.13 Space Group Number
NA194.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
2.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
2.3.2 Discovery
In 1974
In 1803
2.4 Abundance
2.4.1 Abundance In Universe
NA1 * 10-6 %
Thallium Metal
5E-09 0.11
4.1.1 Abundance In Sun
~-9999 %~0.0000004 %
Beryllium Metal
1E-08 0.1
4.1.3 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
4.5.1 Abundance In Earth's Crust
NA0.01 %
Radium Metal
9.9E-12 8.1
4.6.1 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
4.7.2 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
5 Uses
5.1 Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  • It is used to include flints for cigarette lighters.
  • Its compound Cerium (Ill) Oxide is used as a catalyst; it is put inside the walls of the oven as it prevents from the buildup of cooking residues.
5.1.1 Industrial Uses
NA
Chemical Industry
5.1.2 Medical Uses
NA
Medical Research
5.1.3 Other Uses
Research Purposes
Alloys
5.2 Biological Properties
5.2.1 Toxicity
Unknown
Moderately Toxic
5.2.2 Present in Human Body
5.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium Metal
0 1970
5.4.2 In Bone
NA2.70 p.p.m.
Plutonium Metal
0 170000
6 Physical
6.1 Melting Point
NA795.00 °C
Francium Metal
27 3410
6.2 Boiling Point
NA3,257.00 °C
Flerovium Metal
147 5660
6.4 Appearance
6.4.1 Physical State
Solid
Solid
6.4.2 Color
Unknown
Silvery White
6.4.3 Luster
Unknown Luster
Lustrous
6.5 Hardness
6.5.1 Mohs Hardness
NA2.50
Cesium Metal
0.2 8.5
7.1.2 Brinell Hardness
NA186.00 MPa
Cesium Metal
0.14 3490
7.3.1 Vickers Hardness
NA210.00 MPa
Palladium Metal
121 3430
7.4 Speed of Sound
NA2,100.00 m/s
Thallium Metal
818 16200
7.7 Optical Properties
7.7.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
7.9.1 Reflectivity
NANA
Molybdenum Metal
58 97
8.2 Allotropes
8.2.1 α Allotropes
Not Available
Not Available
8.2.2 β Allotropes
Not Available
Not Available
8.2.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
Sg
Ce
9.2 Isotopes
9.2.1 Known Isotopes
930
Tennessine Metal
0 38
9.3 Electronegativity
9.3.1 Pauling Electronegativity
NA1.12
Francium Metal
0.7 2.54
9.3.2 Sanderson Electronegativity
NANA
Cesium Metal
0.22 2.56
10.1.1 Allred Rochow Electronegativity
NA1.08
Cesium Metal
0.86 1.82
10.3.1 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
10.4.2 Allen Electronegativity
NANA
Cesium Metal
0.659 2.7
10.6 Electropositivity
10.6.1 Pauling Electropositivity
NA2.88
Gold Metal
1.46 3.3
10.8 Ionization Energies
10.8.1 1st Energy Level
757.40 kJ/mol534.40 kJ/mol
Cesium Metal
375.7 26130
10.9.2 2nd Energy Level
1,732.90 kJ/mol1,050.00 kJ/mol
Ruthenium Metal
710.2162 28750
10.9.3 3rd Energy Level
2,483.50 kJ/mol1,949.00 kJ/mol
Osmium Metal
1600 34230
10.10.1 4th Energy Level
3,415.60 kJ/mol3,547.00 kJ/mol
Thorium Metal
2780 37066
10.10.2 5th Energy Level
4,561.80 kJ/mol6,325.00 kJ/mol
Dubnium Metal
4305.2 97510
10.11.1 6th Energy Level
5,715.80 kJ/mol7,490.00 kJ/mol
Sodium
5715.8 105800
10.12.2 7th Energy level
NANA
Bohrium Metal
7226.8 114300
11.1.2 8th Energy Level
NANA
Hassium Metal
8857.4 125300
11.1.6 9th Energy Level
NANA
Yttrium Metal
14110 134700
11.1.8 10th Energy Level
NANA
Strontium Metal
17100 144300
11.2.3 11th Energy Level
NANA
Yttrium Metal
19900 169988
11.3.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
11.3.3 13th Energy Level
NANA
Molybdenum Metal
26930 76015
11.3.5 14th Energy Level
NANA
Molybdenum Metal
29196 86450
12.1.1 15th Energy Level
NANA
Manganese Metal
41987 97510
12.1.2 16th Energy Level
NANA
Iron Metal
47206 109480
12.2.1 17th Energy Level
NANA
Cobalt Metal
52737 122200
12.2.2 18th Energy Level
NANA
Nickel Metal
58570 134810
12.3.1 19th Energy Level
NANA
Copper Metal
64702 148700
12.4.1 20th Energy Level
NANA
Molybdenum Metal
80400 171200
12.4.2 21st Energy Level
NANA
Molybdenum Metal
87000 179100
12.5.1 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
12.5.2 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
12.5.3 24th Energy Level
NANA
Molybdenum Metal
104400 195200
12.6.2 25th Energy Level
NANA
Molybdenum Metal
121900 121900
12.6.3 26th Energy Level
NANA
Molybdenum Metal
127700 127700
12.6.5 27th Energy Level
NANA
Molybdenum Metal
133800 133800
12.6.6 28th Energy Level
NANA
Molybdenum Metal
139800 139800
12.6.8 29th Energy Level
NANA
Molybdenum Metal
148100 148100
12.6.9 30th Energy Level
NANA
Molybdenum Metal
154500 154500
12.8 Electrochemical Equivalent
NA1.74 g/amp-hr
Beryllium Metal
0.16812 8.3209
12.9 Electron Work Function
NA2.84 eV
Cesium Metal
2.14 5.65
12.10 Other Chemical Properties
NA
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
13 Atomic
13.1 Atomic Number
10658
Lithium Metal
3 117
13.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Xe] 4f1 5d1 6s2
13.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
13.3.1 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
10658
Lithium Metal
3 117
13.4.2 Number of Neutrons
15782
Lithium Metal
4 184
13.4.3 Number of Electrons
10658
Lithium Metal
3 117
13.5 Radius of an Atom
13.5.1 Atomic Radius
132.00 pm181.80 pm
Beryllium Metal
112 265
13.5.2 Covalent Radius
143.00 pm204.00 pm
Beryllium Metal
96 260
13.5.3 Van der Waals Radius
NA235.00 pm
Zinc Metal
139 348
13.6 Atomic Weight
269.00 amu140.12 amu
Lithium Metal
6.94 294
13.7 Atomic Volume
NA20.67 cm3/mol
Manganese Metal
1.39 71.07
13.8 Adjacent Atomic Numbers
13.8.1 Previous Element
13.8.2 Next Element
13.9 Valence Electron Potential
NA41.78 (-eV)
Francium Metal
8 392.42
13.10 Lattice Constant
NA362.00 pm
Beryllium Metal
228.58 891.25
13.11 Lattice Angles
Unknown
π/2, π/2, 2 π/3
13.12 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
35.00 g/cm36.77 g/cm3
Lithium Metal
0.534 40.7
14.1.2 Density When Liquid (at m.p.)
NA6.55 g/cm3
Lithium Metal
0.512 20
14.2 Tensile Strength
NANA
Indium Metal
2.5 11000
14.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
14.4 Vapor Pressure
14.4.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Palladium
2.47E-11 121
14.4.2 Vapor Pressure at 2000 K
NA1.04 (Pa)
Tungsten Metal
2.62E-10 774
14.5 Elasticity properties
14.5.1 Shear Modulus
NA13.50 GPa
Potassium Metal
1.3 222
14.5.2 Bulk Modulus
NA21.50 GPa
Cesium Metal
1.6 462
14.5.3 Young's Modulus
NA33.60 GPa
Cesium Metal
1.7 528
14.6 Poisson Ratio
NA0.24
Beryllium Metal
0.032 0.47
14.7 Other Mechanical Properties
Unknown
Ductile, Malleable
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
NA6.77
Lithium Metal
0.53 4500
15.1.2 Magnetic Ordering
Unknown
Paramagnetic
15.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
15.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
15.2 Electrical Properties
15.2.1 Electrical Property
Unknown
Conductor
15.2.2 Resistivity
NA828.00 nΩ·m
Thallium Metal
0.18 961
15.2.3 Electrical Conductivity
NA0.01 106/cm Ω
Plutonium Metal
0.00666 0.63
15.2.4 Electron Affinity
NA50.00 kJ/mol
Mercury Metal
0 222.8
16 Thermal
16.1 Specific Heat
NA0.19 J/(kg K)
Americium Metal
0.11 3.6
16.2 Molar Heat Capacity
NA26.94 J/mol·K
Beryllium Metal
16.443 62.7
16.3 Thermal Conductivity
NA11.30 W/m·K
Neptunium Metal
6.3 429
16.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
16.5 Thermal Expansion
NA6.30 µm/(m·K)
Tungsten Metal
4.5 97
16.6 Enthalpy
16.6.1 Enthalpy of Vaporization
NA414.00 kJ/mol
Zinc Metal
7.32 799.1
16.6.2 Enthalpy of Fusion
NA5.46 kJ/mol
Cesium Metal
2.1 35.23
16.6.3 Enthalpy of Atomization
NA381.00 kJ/mol
Mercury Metal
61.5 837
16.7 Standard Molar Entropy
NA72.00 J/mol.K
Beryllium Metal
9.5 198.1