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Properties of Darmstadtium and Beryllium

Darmstadtium
Beryllium
Properties of Beryllium & Darmstadtium


Physical Properties
Melting Point
Not Available   
1,278.00 °C   
36
Boiling Point
Not Available   
2,970.00 °C   
32
Hardness
  
  
Mohs Hardness
Not Available   
5.50   
7
Brinell Hardness
Not Available   
590.00 MPa   
21
Vickers Hardness
Not Available   
1,670.00 MPa   
4
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
5,090.00 m/s   
9
12,890.00 m/s   
2
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
Ds   
Be   
Isotopes
  
  
Known Isotopes
9   
29
9   
29
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.57   
24
Sanderson Electronegativity
Not Available   
1.81   
12
Allred Rochow Electronegativity
Not Available   
1.47   
14
Mulliken-Jaffe Electronegativity
Not Available   
1.54   
12
Allen Electronegativity
Not Available   
1.58   
23
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.43   
30
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol   
5
899.50 kJ/mol   
7
2nd Energy Level
1,891.10 kJ/mol   
16
1,757.10 kJ/mol   
23
3rd Energy Level
3,029.60 kJ/mol   
25
14,848.70 kJ/mol   
2
Electrochemical Equivalent
Not Available   
0.17 g/amp-hr   
99+
Electron Work Function
Not Available   
4.98 eV   
6
Other Chemical Properties
?
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   
?
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   
Mechanical Properties
Density
  
  
Density At Room Temperature
Not Available   
1.85 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
1.69 g/cm3   
99+
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
19
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   
132.00 GPa   
7
Bulk Modulus
Not Available   
130.00 GPa   
13
Young's Modulus
Not Available   
287.00 GPa   
7
Poisson Ratio
Not Available   
0.03   
35
Other Mechanical Properties
Unknown   
NA   
Periodic Table
Symbol
Ds   
Be   
Group Number
10   
8
2   
16
Period Number
7   
2   
Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
?
The s-block is on the left side of the periodic table that includes elements from the first two columns, the alkali metals (group 1) and alkaline earth metals (group 2), plus helium.s block   
Element Family
Probably Transition   
?
All alkaline earth metals are placed under group number 2 and s-block of periodic table. These metals are somewhat reactive at standard conditions. Alkaline earth metals appear shiny, silvery-white and are found in the earth’s crust.Alkaline Earth   
Atomic Properties
Atomic Number
110   
8
4   
99+
Atomic Weight
281.00 amu   
6
9.01 amu   
99+
Atomic Volume
Not Available   
5.00 cm3/mol   
99+
Electron Configuration
[Rn] 5f14 6d8 7s2   
[He] 2s2   
Valence Electron Potential
Not Available   
82.00 (-eV)   
15
Atom
  
  
Number of Protons
110   
8
4   
99+
Number of Neutrons
161   
3
5   
99+
Number of Electrons
110   
8
4   
99+
Crystal Structure
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)   
?
The hexagonal crystal system consists of the 7 point groups such that all their space groups have the hexagonal lattice as underlying lattice. The hexagonal crystal family consists of the 12 point groups such that at least one of their space groups has theHexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   
Radius of an Atom
  
  
Atomic Radius
132.00 pm   
99+
112.00 pm   
99+
Covalent Radius
128.00 pm   
99+
96.00 pm   
99+
Van der Waals Radius
Not Available   
153.00 pm   
99+
Lattice Constant
Not Available   
228.58 pm   
99+
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
1.57   
18
Adjacent Atomic Numbers
  
  
Next Element
Roentgenium
  
Sodium
  
Previous Element
Meitnerium
  
Lithium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
Not Available   
36.00 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.31 106/cm Ω   
5
Electron Affinity
Not Available   
0.00 kJ/mol   
40
Electrical Property
Unknown   
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor   
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
1.85   
99+
Magnetic Ordering
Unknown   
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
Not Available   
1.82 J/(kg K)   
2
Thermal Conductivity
Not Available   
200.00 W/m·K   
6
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
16.44 J/mol·K   
99+
Thermal Expansion
Not Available   
11.30 µm/(m·K)   
34
Standard Molar Entropy
Not Available   
9.50 J/mol.K   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
294.70 kJ/mol   
30
Enthalpy of Fusion
Not Available   
11.72 kJ/mol   
30
Enthalpy of Atomization
Not Available   
326.40 kJ/mol   
30
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