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Hassium
Hassium

Curium
Curium



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1 Periodic Table
1.1 Symbol
Hs
Cm
1.2 Group Number
8NA
Gadolinium
0 17
1.4 Period Number
77
Lithium
2 7
1.6 Block
d block
f block
1.7 Element Family
Transition Metal
Actinide
1.8 CAS Number
540375797440519
Aluminium
7429905 54386242
1.12 Space Group Name
Not Available
Not Available
1.13 Space Group Number
NANA
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
2.2 Sources
Synthetically Produced
Bombarding Plutonium with Helium Ions
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
2.4.1 Discovery
In 1984
In 1944
2.5 Abundance
2.5.1 Abundance In Universe
NANA
Thallium
5E-09 0.11
3.1.2 Abundance In Sun
~-9999 %~-9999 %
Beryllium
1E-08 0.1
4.2.3 Abundance In Meteorites
NANA
Gold
1.7E-07 22
4.3.2 Abundance In Earth's Crust
NANA
Radium
9.9E-12 8.1
4.5.1 Abundance In Oceans
NANA
Protactinium
2E-23 1.1
4.6.3 Abundance In Humans
NANA
Radium
1E-13 1.4
5 Uses
5.1 Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  • Curium metal is used to provide power to electrical equipment for space missions.
5.1.1 Industrial Uses
NA
NA
5.1.2 Medical Uses
NA
NA
5.1.3 Other Uses
Research Purposes
Research Purposes
5.2 Biological Properties
5.2.1 Toxicity
Unknown
Unknown
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium
0 1970
5.2.6 In Bone
0.00 p.p.m.0.00 p.p.m.
Plutonium
0 170000
6 Physical
6.1 Melting Point
NA1,340.00 °C
Francium
27 3410
6.2 Boiling Point
NA3,110.00 °C
Flerovium
147 5660
7.2 Appearance
7.2.1 Physical State
Solid
Solid
7.2.2 Color
Silver
Silver
7.2.3 Luster
NA
Metallic
7.3 Hardness
7.3.1 Mohs Hardness
NANA
Cesium
0.2 8.5
7.4.5 Brinell Hardness
NANA
Cesium
0.14 3490
7.4.8 Vickers Hardness
NANA
Palladium
121 3430
7.6 Speed of Sound
NANA
Thallium
818 16200
7.7 Optical Properties
7.7.1 Refractive Index
NANA
Mercury
1.000933 1.7229
7.7.4 Reflectivity
NANA
Molybdenum
58 97
7.8 Allotropes
7.8.1 α Allotropes
Not Available
Not Available
7.8.2 β Allotropes
Not Available
Not Available
7.8.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Hs
Cm
8.2 Isotopes
8.2.1 Known Isotopes
715
Tennessine
0 38
9.3 Electronegativity
9.3.1 Pauling Electronegativity
NA1.30
Francium
0.7 2.54
9.4.1 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
9.5.1 Allred Rochow Electronegativity
NA1.20
Cesium
0.86 1.82
9.5.3 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
9.6.2 Allen Electronegativity
NANA
Cesium
0.659 2.7
9.8 Electropositivity
9.8.1 Pauling Electropositivity
NA2.70
Gold
1.46 3.3
9.9 Ionization Energies
9.9.1 1st Energy Level
733.30 kJ/mol581.00 kJ/mol
Cesium
375.7 26130
9.9.4 2nd Energy Level
1,756.00 kJ/mol1,196.00 kJ/mol
Ruthenium
710.2162 28750
9.9.5 3rd Energy Level
2,827.00 kJ/mol2,026.00 kJ/mol
Osmium
1600 34230
9.9.6 4th Energy Level
3,637.50 kJ/mol3,550.00 kJ/mol
Thorium
2780 37066
9.9.9 5th Energy Level
4,940.00 kJ/molNA
Dubnium
4305.2 97510
9.9.10 6th Energy Level
6,175.10 kJ/molNA
Seaborgium
5715.8 105800
9.10.1 7th Energy level
7,535.50 kJ/molNA
Bohrium
7226.8 114300
9.10.3 8th Energy Level
8,857.40 kJ/molNA
Sodium
8857.4 125300
9.10.4 9th Energy Level
NANA
Yttrium
14110 134700
9.10.5 10th Energy Level
NANA
Strontium
17100 144300
9.10.7 11th Energy Level
NANA
Yttrium
19900 169988
9.10.8 12th Energy Level
NANA
Molybdenum
22219 189368
9.10.10 13th Energy Level
NANA
Molybdenum
26930 76015
9.10.11 14th Energy Level
NANA
Molybdenum
29196 86450
9.10.13 15th Energy Level
NANA
Manganese
41987 97510
9.10.14 16th Energy Level
NANA
Iron
47206 109480
9.10.16 17th Energy Level
NANA
Cobalt
52737 122200
9.10.17 18th Energy Level
NANA
Nickel
58570 134810
9.10.18 19th Energy Level
NANA
Copper
64702 148700
9.10.20 20th Energy Level
NANA
Molybdenum
80400 171200
9.10.21 21st Energy Level
NANA
Molybdenum
87000 179100
9.10.22 22nd Energy Level
NANA
Molybdenum
93400 184900
9.10.24 23rd Energy Level
NANA
Molybdenum
98420 198800
9.10.25 24th Energy Level
NANA
Molybdenum
104400 195200
9.10.27 25th Energy Level
NANA
Molybdenum
121900 121900
9.10.28 26th Energy Level
NANA
Molybdenum
127700 127700
9.10.30 27th Energy Level
NANA
Molybdenum
133800 133800
9.10.31 28th Energy Level
NANA
Molybdenum
139800 139800
9.10.33 29th Energy Level
NANA
Molybdenum
148100 148100
9.10.34 30th Energy Level
NANA
Molybdenum
154500 154500
9.11 Electrochemical Equivalent
NA3.07 g/amp-hr
Beryllium
0.16812 8.3209
9.12 Electron Work Function
NANA
Cesium
2.14 5.65
9.13 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes
10 Atomic
10.1 Atomic Number
10896
Lithium
3 117
10.2 Electron Configuration
[Rn] 5f14 6d6 7s2
[Rn] 5f7 6d1 7s2
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10896
Lithium
3 117
10.4.3 Number of Neutrons
158151
Lithium
4 184
10.4.5 Number of Electrons
10896
Lithium
3 117
10.5 Radius of an Atom
10.5.1 Atomic Radius
126.00 pm174.00 pm
Beryllium
112 265
10.5.3 Covalent Radius
134.00 pm169.00 pm
Beryllium
96 260
10.6.1 Van der Waals Radius
NA200.00 pm
Zinc
139 348
10.7 Atomic Weight
269.00 amu247.00 amu
Lithium
6.94 294
10.8 Atomic Volume
NA18.28 cm3/mol
Manganese
1.39 71.07
10.10 Adjacent Atomic Numbers
10.10.1 Previous Element
10.10.2 Next Element
10.11 Valence Electron Potential
NA44.50 (-eV)
Francium
8 392.42
10.12 Lattice Constant
NANA
Beryllium
228.58 891.25
10.13 Lattice Angles
NA
NA
10.14 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
40.70 g/cm313.51 g/cm3
Lithium
0.534 40.7
12.1.2 Density When Liquid (at m.p.)
NA13.85 g/cm3
Lithium
0.512 20
12.2 Tensile Strength
NANA
Indium
2.5 11000
12.6 Viscosity
NANA
Mercury
0.001526 0.001526
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
12.7.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
12.8 Elasticity properties
12.8.1 Shear Modulus
NANA
Potassium
1.3 222
12.8.2 Bulk Modulus
NANA
Cesium
1.6 462
12.8.3 Young's Modulus
NANA
Cesium
1.7 528
12.9 Poisson Ratio
NANA
Beryllium
0.032 0.47
12.10 Other Mechanical Properties
Unknown
Unknown
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
NA13.51
Lithium
0.53 4500
13.2.2 Magnetic Ordering
Unknown
Antiferromagnetic
13.2.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
13.2.5 Susceptibility
NANA
Bismuth
-0.000166 200000
13.3 Electrical Properties
13.3.1 Electrical Property
Unknown
Unknown
13.3.2 Resistivity
NA1.25 nΩ·m
Thallium
0.18 961
13.4.1 Electrical Conductivity
NANA
Plutonium
0.00666 0.63
13.4.2 Electron Affinity
NANA
Mercury
0 222.8
14 Thermal
14.1 Specific Heat
NANA
Americium
0.11 3.6
14.4 Molar Heat Capacity
NANA
Beryllium
16.443 62.7
14.6 Thermal Conductivity
NANA
Neptunium
6.3 429
14.7 Critical Temperature
NANA
Ytterbium
26.3 3223
14.10 Thermal Expansion
NANA
Tungsten
4.5 97
15.2 Enthalpy
15.2.1 Enthalpy of Vaporization
NANA
Zinc
7.32 799.1
15.2.3 Enthalpy of Fusion
NA15.00 kJ/mol
Cesium
2.1 35.23
15.3.1 Enthalpy of Atomization
NANA
Mercury
61.5 837
15.5 Standard Molar Entropy
NANA
Beryllium
9.5 198.1