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Beryllium Nobelium Comparison


Nobelium Beryllium comparison


Periodic Table

Symbol
Be   
No   

Group Number
2   
16
Not Available   

Period Number
2   
7   

Block
s block   
f block   

Element Family
Alkaline Earth   
Actinide   

CAS Number
7440417   
99+
10028145   
16

Space Group Name
P63/mmc   
Not Available   

Space Group Number
194.00   
5
Not Available   

Facts

Interesting Facts
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining   

History
  
  

Who Discovered
Louis Nicolas Vauquelin   
Joint Institute for Nuclear Research   

Discovery
In 1797   
In 1966   

Abundance
  
  

Abundance In Universe
1 * 10-7 %   
23
Not Available   

Abundance In Sun
~0.00000001 %   
29
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

Abundance In Earth's Crust
0.00 %   
35
Not Available   

Abundance In Oceans
0.00 %   
39
Not Available   

Abundance In Humans
0.00 %   
19
Not Available   

Uses

Uses & Benefits
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
  • Currently known uses of Nobelium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
Yes   
No   

In Blood
0.00 Blood/mg dm-3   
32
0.00 Blood/mg dm-3   
37

In Bone
0.00 p.p.m.   
32
0.00 p.p.m.   
36

Physical Properties

Melting Point
1,278.00 °C   
36
827.00 °C   
99+

Boiling Point
2,970.00 °C   
32
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
White Gray   
Unknown   

Luster
Metallic   
Unknown Luster   

Hardness
  
  

Mohs Hardness
5.50   
7
Not Available   

Brinell Hardness
590.00 MPa   
21
Not Available   

Vickers Hardness
1,670.00 MPa   
4
Not Available   

Speed of Sound
12,890.00 m/s   
2
Not Available   

Optical Properties
  
  

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
Be   
No   

Isotopes
  
  

Known Isotopes
9   
29
13   
26

Electronegativity
  
  

Pauling Electronegativity
1.57   
24
1.30   
32

Sanderson Electronegativity
1.81   
12
Not Available   

Allred Rochow Electronegativity
1.47   
14
1.20   
27

Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   

Allen Electronegativity
1.58   
23
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.43   
30
2.70   
22

Ionization Energies
  
  

1st Energy Level
899.50 kJ/mol   
7
642.00 kJ/mol   
99+

2nd Energy Level
1,757.10 kJ/mol   
23
1,254.00 kJ/mol   
99+

3rd Energy Level
14,848.70 kJ/mol   
2
2,643.00 kJ/mol   
99+

4th Energy Level
21,006.60 kJ/mol   
2
3,956.00 kJ/mol   
39

Electrochemical Equivalent
0.17 g/amp-hr   
99+
4.83 g/amp-hr   
4

Electron Work Function
4.98 eV   
6
Not Available   

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity   

Atomic Properties

Atomic Number
4   
99+
102   
16

Electron Configuration
[He] 2s2   
[Rn] 5f14 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   

Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
Unknown-Crystal-Structure-of-Nobelium.jpg#100   

Atom
  
  

Number of Protons
4   
99+
102   
16

Number of Neutrons
5   
99+
157   
7

Number of Electrons
4   
99+
102   
16

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
Not Available   

Covalent Radius
96.00 pm   
99+
Not Available   

Van der Waals Radius
153.00 pm   
99+
246.00 pm   
8

Atomic Weight
9.01 amu   
99+
259.00 amu   
13

Atomic Volume
5.00 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Lithium
  

Next Element
Sodium
  
Lawrencium
  

Valence Electron Potential
82.00 (-eV)   
15
26.00 (-eV)   
99+

Lattice Constant
228.58 pm   
99+
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
1.57   
18
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
1.85 g/cm3   
99+
Not Available   

Density When Liquid (at m.p.)
1.69 g/cm3   
99+
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
19
Not Available   

Elasticity properties
  
  

Shear Modulus
132.00 GPa   
7
Not Available   

Bulk Modulus
130.00 GPa   
13
Not Available   

Young's Modulus
287.00 GPa   
7
Not Available   

Poisson Ratio
0.03   
35
Not Available   

Other Mechanical Properties
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
1.85   
99+
Not Available   

Magnetic Ordering
Diamagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Semiconductor   
Unknown   

Resistivity
36.00 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.31 106/cm Ω   
5
Not Available   

Electron Affinity
0.00 kJ/mol   
40
Not Available   

Thermal Properties

Specific Heat
1.82 J/(kg K)   
2
Not Available   

Molar Heat Capacity
16.44 J/mol·K   
99+
Not Available   

Thermal Conductivity
200.00 W/m·K   
6
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.30 µm/(m·K)   
34
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
294.70 kJ/mol   
30
Not Available   

Enthalpy of Fusion
11.72 kJ/mol   
30
Not Available   

Enthalpy of Atomization
326.40 kJ/mol   
30
Not Available   

Standard Molar Entropy
9.50 J/mol.K   
99+
Not Available   

Summary >>
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