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Tennessine vs Californium

Tennessine
Californium
Californium vs Tennessine


Periodic Table
Symbol
Ts  
Cf  
Group Number
17  
1
3  
15
Period Number
7  
7  
Block
p block  
f block  
Element Family
Probably Post-​Transition  
Actinide  
CAS Number
54101143  
2
7440713  
20
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
Tennessine is a superheavy artificial element with a very short half-life.  
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  
Sources
Synthetically Produced  
Made by Bombarding Curium with Helium Ions  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Lawrence Berkeley National Laboratory  
Discovery
In 2010  
In 1950  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
38
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  
  • Californium metal has a very strong neutron emitter. It is used as a metal detector.
  • It also used as an identifier to check Water and oil layers in oil wells.
  
Industrial Uses
-  
Chemical Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Nuclear Research  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
No  
In Blood
0.01 Blood/mg dm-3  
25
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
400.00 °C  
99+
900.00 °C  
99+
Boiling Point
610.00 °C  
99+
1,470.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
3.00  
13
Brinell Hardness
700.00 MPa  
17
170.00 MPa  
99+
Vickers Hardness
430.00 MPa  
39
1,800.00 MPa  
7
Speed of Sound
4,000.00 m/s  
24
2,260.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
67.00 %  
16
63.00 %  
20
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ts  
Cf  
Isotopes
  
  
Known Isotopes
0  
35
20  
19
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
1.30  
33
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.90  
1
1.20  
28
Mulliken-Jaffe Electronegativity
2.00  
10
1.30  
33
Allen Electronegativity
2.10  
4
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.70  
22
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
608.00 kJ/mol  
99+
2nd Energy Level
1,785.00 kJ/mol  
23
1,206.00 kJ/mol  
99+
3rd Energy Level
723.60 kJ/mol  
99+
2,267.00 kJ/mol  
99+
4th Energy Level
-  
3,599.00 kJ/mol  
99+
5th Energy Level
-  
6,080.00 kJ/mol  
99+
6th Energy Level
11,000.00 kJ/mol  
11
6,080.00 kJ/mol  
99+
7th Energy level
6,500.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
8th Energy Level
7,000.00 kJ/mol  
38
6,080.00 kJ/mol  
99+
9th Energy Level
7,230.00 kJ/mol  
28
6,080.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
11th Energy Level
6,700.00 kJ/mol  
38
6,080.00 kJ/mol  
99+
12th Energy Level
883.00 kJ/mol  
99+
60,800.00 kJ/mol  
14
13th Energy Level
7,230.00 kJ/mol  
26
6,080.00 kJ/mol  
99+
14th Energy Level
6,500.00 kJ/mol  
25
6,080.00 kJ/mol  
30
15th Energy Level
61,000.00 kJ/mol  
99+
62,400.00 kJ/mol  
39
16th Energy Level
65,000.00 kJ/mol  
26
62,400.00 kJ/mol  
29
17th Energy Level
580.00 kJ/mol  
99+
608.00 kJ/mol  
99+
18th Energy Level
6,100.00 kJ/mol  
99+
6,085.00 kJ/mol  
99+
19th Energy Level
540.30 kJ/mol  
99+
608.00 kJ/mol  
99+
20th Energy Level
608.00 kJ/mol  
99+
578.00 kJ/mol  
99+
21st Energy Level
5,780.00 kJ/mol  
22
6,080.00 kJ/mol  
16
22nd Energy Level
590.00 kJ/mol  
99+
608.00 kJ/mol  
39
23rd Energy Level
6,100.00 kJ/mol  
16
6,080.00 kJ/mol  
17
24th Energy Level
883.00 kJ/mol  
7
608.00 kJ/mol  
99+
25th Energy Level
578.00 kJ/mol  
99+
608.00 kJ/mol  
99+
26th Energy Level
593.80 kJ/mol  
99+
608.00 kJ/mol  
99+
27th Energy Level
610.00 kJ/mol  
99+
608.00 kJ/mol  
99+
28th Energy Level
850.00 kJ/mol  
12
608.00 kJ/mol  
99+
29th Energy Level
0.00 kJ/mol  
99+
608.00 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
608.00 kJ/mol  
99+
Electrochemical Equivalent
3.50 g/amp-hr  
11
3.12 g/amp-hr  
17
Electron Work Function
4.00 eV  
35
4.70 eV  
15
Other Chemical Properties
Chemical Stability, Ionization  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
117  
1
98  
20
Electron Configuration
[Rn] 5f14 6d10 7s2 7p5  
[Rn] 5f10 7s2  
Crystal Structure
Not Known  
Double Hexagonal Close Packed (DHCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununseptium.jpg#100  
DHCP-Crystal-Structure-of-Californium.jpg#100  
Atom
  
  
Number of Protons
117  
1
98  
20
Number of Neutrons
167  
3
153  
10
Number of Electrons
117  
1
98  
20
Radius of an Atom
  
  
Atomic Radius
0.00 pm  
99+
186.00 pm  
11
Covalent Radius
0.00 pm  
99+
186.00 pm  
21
Van der Waals Radius
220.00 pm  
28
244.00 pm  
14
Atomic Weight
294.00 amu  
1
251.00 amu  
17
Atomic Volume
15.00 cm3/mol  
99+
15.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
No Previous Element  
Berkelium
  
Next Element
Livermorium
  
Einsteinium
  
Valence Electron Potential
2.20 (-eV)  
99+
44.50 (-eV)  
39
Lattice Constant
330.25 pm  
99+
338.00 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.65  
12
1.58  
34
Mechanical
Density
  
  
Density At Room Temperature
7.10 g/cm3  
99+
15.10 g/cm3  
21
Density When Liquid (at m.p.)
7.20 g/cm3  
99+
15.10 g/cm3  
22
Tensile Strength
80.00 MPa  
29
50.00 MPa  
38
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
25.00 GPa  
38
29.00 GPa  
29
Bulk Modulus
0.00 GPa  
99+
40.00 GPa  
38
Young's Modulus
12.40 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.34  
10
0.30  
14
Other Mechanical Properties
-  
Malleable, Sectile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.20  
99+
15.10  
24
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.10 nΩ·m  
99+
6.20 nΩ·m  
99+
Electrical Conductivity
-  
0.11 106/cm Ω  
23
Electron Affinity
50.00 kJ/mol  
26
97.00 kJ/mol  
12
Thermal
Specific Heat
0.14 J/(kg K)  
38
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.20 J/mol·K  
24
26.70 J/mol·K  
33
Thermal Conductivity
0.20 W/m·K  
99+
10.00 W/m·K  
99+
Critical Temperature
700.00 K  
99+
900.00 K  
99+
Thermal Expansion
7.10 µm/(m·K)  
99+
11.70 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
550.00 kJ/mol  
14
311.40 kJ/mol  
99+
Enthalpy of Fusion
-  
15.10 kJ/mol  
21
Enthalpy of Atomization
590.00 kJ/mol  
13
-  
Standard Molar Entropy
50.00 J/mol.K  
99+
50.00 J/mol.K  
99+
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