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Properties of Californium and Nihonium

Californium
Nihonium
Properties of Nihonium & Californium


Physical Properties
Melting Point
900.00 °C   
99+
430.00 °C   
99+
Boiling Point
1,470.00 °C   
99+
1,130.00 °C   
99+
Hardness
  
  
Mohs Hardness
3.00   
12
Not Available   
Brinell Hardness
Not Available   
Not Available   
Vickers Hardness
Not Available   
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
Not Available   
Not Available   
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Cf   
Nh   
Isotopes
  
  
Known Isotopes
20   
19
7   
31
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
Not Available   
Sanderson Electronegativity
Not Available   
Not Available   
Allred Rochow Electronegativity
1.20   
27
Not Available   
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
Not Available   
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
Not Available   
Ionization Energies
  
  
1st Energy Level
608.00 kJ/mol   
99+
704.90 kJ/mol   
34
2nd Energy Level
1,206.00 kJ/mol   
99+
2,238.50 kJ/mol   
7
3rd Energy Level
2,267.00 kJ/mol   
99+
3,023.30 kJ/mol   
26
Electrochemical Equivalent
3.12 g/amp-hr   
15
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
?
Corrosion is a process which converts refined metals to their more stable forms, for example, its oxide and hydroxide. This process of metals getting corroded is a gradual destruction of metals by chemical reactions.Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces.Radioactivity, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization   
Mechanical Properties
Density
  
  
Density At Room Temperature
15.10 g/cm3   
21
16.00 g/cm3   
19
Density When Liquid (at m.p.)
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
Not Available   
Vapor Pressure at 2000 K
Not Available   
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
Not Available   
Not Available   
Bulk Modulus
Not Available   
Not Available   
Young's Modulus
Not Available   
Not Available   
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable, 
?
Sectility is the ability to be cut into pieces. Metals and paper are sectile.Sectile   
Unknown   
Periodic Table
Symbol
Cf   
Nh   
Group Number
Not Available   
13   
5
Period Number
7   
7   
Block
?
The f-block is in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables. These elements are not generally considered as part of any group. They are often called inner transition metals.f block   
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
Element Family
?
Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table.Actinide   
Probably Post-​Transition   
Atomic Properties
Atomic Number
98   
20
113   
5
Atomic Weight
251.00 amu   
17
286.00 amu   
4
Atomic Volume
Not Available   
Not Available   
Electron Configuration
[Rn] 5f10 7s2   
[Rn] 5f14 6d10 7s2 7p1   
Valence Electron Potential
44.50 (-eV)   
38
Not Available   
Atom
  
  
Number of Protons
98   
20
113   
5
Number of Neutrons
153   
9
150   
11
Number of Electrons
98   
20
113   
5
Crystal Structure
?
In crystallography, the hexagonal crystal structure and its double hexagonal crystal structure is one of the 7 crystal structure, The hexagonal lattice system consists of just one Bravais lattice type: the hexagonal shape.Double Hexagonal Close Packed (DHCP)   
?
The crustal structure for this metal is Unknown or not yet discoveredNot Known   
Crystal Lattice
DHCP-Crystal-Structure-of-Californium.jpg#100   
Unknown-Crystal-Structure-of-Ununtrium.jpg#100   
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
Not Available   
Covalent Radius
Not Available   
Not Available   
Van der Waals Radius
Not Available   
Not Available   
Lattice Constant
338.00 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Einsteinium
  
Flerovium
  
Previous Element
Berkelium
  
Copernicium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
Not Available   
Not Available   
Electrical Conductivity
Not Available   
Not Available   
Electron Affinity
Not Available   
Not Available   
Electrical Property
Unknown   
Unknown   
Magnetic Characteristics
  
  
Specific Gravity
15.10   
13
Not Available   
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
Unknown   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
Not Available   
Not Available   
Thermal Conductivity
Not Available   
Not Available   
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Expansion
Not Available   
Not Available   
Standard Molar Entropy
Not Available   
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
Not Available   
Enthalpy of Fusion
Not Available   
Not Available   
Enthalpy of Atomization
Not Available   
Not Available   
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