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Flerovium vs Californium

Flerovium
Californium
Californium vs Flerovium


Periodic Table
Symbol
Fl  
Cf  
Group Number
14  
4
3  
15
Period Number
7  
7  
Block
p block  
f block  
Element Family
Post-​Transition  
Actinide  
CAS Number
54085164  
5
7440713  
20
Space Group Name
-  
P63/mmc  
Space Group Number
198.00  
6
194.00  
7
Facts
Interesting Facts
Flerovium is named after the Flerov Laboratory of Nuclear Reactions.  
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  
Sources
-  
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 1999  
In 1950  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
38
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
0.00 %  
99+
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 Flerovium 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
Alloys, Research Purposes  
Alloys, Nuclear Research  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
67.00 °C  
99+
900.00 °C  
99+
Boiling Point
147.00 °C  
99+
1,470.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
4.00  
11
3.00  
13
Brinell Hardness
350.00 MPa  
36
170.00 MPa  
99+
Vickers Hardness
450.00 MPa  
38
1,800.00 MPa  
7
Speed of Sound
3,200.00 m/s  
35
2,260.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
68.00 %  
15
63.00 %  
20
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Fl  
Cf  
Isotopes
  
  
Known Isotopes
1  
34
20  
19
Electronegativity
  
  
Pauling Electronegativity
2.60  
1
1.30  
33
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.20  
28
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.30  
40
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.70  
22
Ionization Energies
  
  
1st Energy Level
823.90 kJ/mol  
13
608.00 kJ/mol  
99+
2nd Energy Level
1,601.60 kJ/mol  
35
1,206.00 kJ/mol  
99+
3rd Energy Level
3,367.30 kJ/mol  
18
2,267.00 kJ/mol  
99+
4th Energy Level
4,399.70 kJ/mol  
37
3,599.00 kJ/mol  
99+
5th Energy Level
5,847.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
6th Energy Level
11,400.00 kJ/mol  
9
6,080.00 kJ/mol  
99+
7th Energy level
5,400.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
8th Energy Level
6,700.00 kJ/mol  
39
6,080.00 kJ/mol  
99+
9th Energy Level
5,840.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
10th Energy Level
6,000.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
11th Energy Level
6,000.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
12th Energy Level
36,400.00 kJ/mol  
24
60,800.00 kJ/mol  
14
13th Energy Level
5,400.00 kJ/mol  
99+
6,080.00 kJ/mol  
99+
14th Energy Level
1,145.00 kJ/mol  
99+
6,080.00 kJ/mol  
30
15th Energy Level
67,000.00 kJ/mol  
33
62,400.00 kJ/mol  
39
16th Energy Level
36,400.00 kJ/mol  
99+
62,400.00 kJ/mol  
29
17th Energy Level
1,144.00 kJ/mol  
17
608.00 kJ/mol  
99+
18th Energy Level
3,400.00 kJ/mol  
99+
6,085.00 kJ/mol  
99+
19th Energy Level
1,127.50 kJ/mol  
16
608.00 kJ/mol  
99+
20th Energy Level
800.00 kJ/mol  
24
578.00 kJ/mol  
99+
21st Energy Level
670.00 kJ/mol  
99+
6,080.00 kJ/mol  
16
22nd Energy Level
340.00 kJ/mol  
99+
608.00 kJ/mol  
39
23rd Energy Level
1,120.00 kJ/mol  
34
6,080.00 kJ/mol  
17
24th Energy Level
540.10 kJ/mol  
99+
608.00 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
608.00 kJ/mol  
99+
26th Energy Level
540.10 kJ/mol  
99+
608.00 kJ/mol  
99+
27th Energy Level
540.00 kJ/mol  
99+
608.00 kJ/mol  
99+
28th Energy Level
800.00 kJ/mol  
18
608.00 kJ/mol  
99+
29th Energy Level
800.10 kJ/mol  
17
608.00 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
608.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.12 g/amp-hr  
17
Electron Work Function
4.90 eV  
12
4.70 eV  
15
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
114  
4
98  
20
Electron Configuration
[Rn] 5f14 6d10 7s2 7p2  
[Rn] 5f10 7s2  
Crystal Structure
Not Known  
Double Hexagonal Close Packed (DHCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Flerovium.jpg#100  
DHCP-Crystal-Structure-of-Californium.jpg#100  
Atom
  
  
Number of Protons
114  
4
98  
20
Number of Neutrons
184  
2
153  
10
Number of Electrons
114  
4
98  
20
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
186.00 pm  
11
Covalent Radius
171.00 pm  
26
186.00 pm  
21
Van der Waals Radius
0.00 pm  
99+
244.00 pm  
14
Atomic Weight
289.00 amu  
3
251.00 amu  
17
Atomic Volume
14.00 cm3/mol  
99+
15.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Nihonium
  
Berkelium
  
Next Element
Moscovium
  
Einsteinium
  
Valence Electron Potential
0.00 (-eV)  
99+
44.50 (-eV)  
39
Lattice Constant
-  
338.00 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.60  
22
1.58  
34
Mechanical
Density
  
  
Density At Room Temperature
14.00 g/cm3  
24
15.10 g/cm3  
21
Density When Liquid (at m.p.)
14.00 g/cm3  
24
15.10 g/cm3  
22
Tensile Strength
0.10 MPa  
99+
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)  
30
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
35.00 GPa  
21
29.00 GPa  
29
Bulk Modulus
15.00 GPa  
99+
40.00 GPa  
38
Young's Modulus
0.00 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.30  
14
0.30  
14
Other Mechanical Properties
-  
Malleable, Sectile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
14.00  
25
15.10  
24
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
15
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
5.40 nΩ·m  
99+
6.20 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.11 106/cm Ω  
23
Electron Affinity
-  
97.00 kJ/mol  
12
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
26.70 J/mol·K  
33
Thermal Conductivity
0.00 W/m·K  
99+
10.00 W/m·K  
99+
Critical Temperature
340.00 K  
99+
900.00 K  
99+
Thermal Expansion
7.10 µm/(m·K)  
99+
11.70 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
337.40 kJ/mol  
38
311.40 kJ/mol  
99+
Enthalpy of Fusion
14.50 kJ/mol  
26
15.10 kJ/mol  
21
Enthalpy of Atomization
-  
-  
Standard Molar Entropy
57.00 J/mol.K  
30
50.00 J/mol.K  
99+
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