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Nobelium vs Magnesium

Nobelium
Magnesium
Magnesium vs Nobelium


Periodic Table
Symbol
No  
Mg  
Group Number
3  
15
2  
16
Period Number
7  
3  
Block
f block  
s block  
Element Family
Actinide  
Alkaline Earth  
CAS Number
10028145  
16
7439954  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
By Electrolysis Process, In Ocean, Mining  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Joseph Black  
Discovery
In 1966  
In 1755  
Abundance
  
  
Abundance In Universe
-  
0.06 %  
3
Abundance In Sun
-  
0.07 %  
2
Abundance In Meteorites
-  
12.00 %  
2
Abundance In Earth's Crust
-  
2.90 %  
4
Abundance In Oceans
-  
0.13 %  
2
Abundance In Humans
-  
0.03 %  
5
Uses
Uses & Benefits
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
  • Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
  • It is also used to remove sulfur from the molten iron and steel.
  
Industrial Uses
-  
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Surgical Instruments Manufacturing  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
37.80 Blood/mg dm-3  
5
In Bone
0.00 p.p.m.  
99+
1,800.00 p.p.m.  
4
Physical
Melting Point
827.00 °C  
99+
650.00 °C  
99+
Boiling Point
2,600.00 °C  
99+
1,107.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Gray  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
2.50  
15
Brinell Hardness
500.00 MPa  
28
260.00 MPa  
99+
Vickers Hardness
500.00 MPa  
35
260.00 MPa  
99+
Speed of Sound
1,100.00 m/s  
99+
4,940.00 m/s  
15
Optical Properties
  
  
Refractive Index
1.30  
99+
1.49  
37
Reflectivity
61.00 %  
22
74.00 %  
9
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Mg  
Isotopes
  
  
Known Isotopes
13  
26
15  
24
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.31  
32
Sanderson Electronegativity
1.30  
25
1.32  
24
Allred Rochow Electronegativity
1.20  
28
1.23  
26
Mulliken-Jaffe Electronegativity
1.30  
33
1.37  
30
Allen Electronegativity
1.10  
99+
1.29  
99+
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.69  
23
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
737.70 kJ/mol  
24
2nd Energy Level
1,254.00 kJ/mol  
99+
1,450.70 kJ/mol  
99+
3rd Energy Level
2,643.00 kJ/mol  
99+
7,732.70 kJ/mol  
5
4th Energy Level
3,956.00 kJ/mol  
99+
10,542.50 kJ/mol  
4
5th Energy Level
6,400.00 kJ/mol  
35
13,630.00 kJ/mol  
3
6th Energy Level
6,400.00 kJ/mol  
99+
18,020.00 kJ/mol  
3
7th Energy level
6,270.00 kJ/mol  
99+
21,711.00 kJ/mol  
3
8th Energy Level
6,270.00 kJ/mol  
99+
25,661.00 kJ/mol  
3
9th Energy Level
6,270.00 kJ/mol  
99+
31,653.00 kJ/mol  
3
10th Energy Level
6,270.00 kJ/mol  
99+
35,458.00 kJ/mol  
5
11th Energy Level
6,420.00 kJ/mol  
99+
169,988.00 kJ/mol  
1
12th Energy Level
64,000.00 kJ/mol  
8
189,368.00 kJ/mol  
1
13th Energy Level
6,400.00 kJ/mol  
36
7,370.00 kJ/mol  
24
14th Energy Level
6,400.00 kJ/mol  
26
737.70 kJ/mol  
99+
15th Energy Level
64,000.00 kJ/mol  
36
73,700.00 kJ/mol  
21
16th Energy Level
64,000.00 kJ/mol  
27
73,770.00 kJ/mol  
16
17th Energy Level
641.00 kJ/mol  
99+
737.70 kJ/mol  
37
18th Energy Level
3,500.00 kJ/mol  
99+
7,370.00 kJ/mol  
27
19th Energy Level
627.60 kJ/mol  
99+
737.70 kJ/mol  
34
20th Energy Level
627.00 kJ/mol  
99+
737.00 kJ/mol  
28
21st Energy Level
917.00 kJ/mol  
34
737.70 kJ/mol  
99+
22nd Energy Level
627.00 kJ/mol  
36
738.00 kJ/mol  
22
23rd Energy Level
6,410.00 kJ/mol  
12
737.70 kJ/mol  
99+
24th Energy Level
627.00 kJ/mol  
39
737.70 kJ/mol  
20
25th Energy Level
0.00 kJ/mol  
99+
737.70 kJ/mol  
20
26th Energy Level
601.20 kJ/mol  
99+
737.70 kJ/mol  
20
27th Energy Level
641.00 kJ/mol  
37
737.70 kJ/mol  
19
28th Energy Level
641.60 kJ/mol  
99+
737.70 kJ/mol  
25
29th Energy Level
641.00 kJ/mol  
99+
737.70 kJ/mol  
26
30th Energy Level
627.00 kJ/mol  
99+
737.70 kJ/mol  
20
Electrochemical Equivalent
4.83 g/amp-hr  
4
0.45 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
3.66 eV  
40
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Highly Inflammable, Ionization, Solubility  
Atomic
Atomic Number
102  
16
12  
99+
Electron Configuration
[Rn] 5f14 7s2  
[Ne] 3s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
HCP-Crystal-Structure-of-Magnesium.jpg#100  
Atom
  
  
Number of Protons
102  
16
12  
99+
Number of Neutrons
157  
8
12  
99+
Number of Electrons
102  
16
12  
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
160.00 pm  
29
Covalent Radius
157.00 pm  
33
141.00 pm  
99+
Van der Waals Radius
246.00 pm  
12
173.00 pm  
99+
Atomic Weight
259.00 amu  
13
24.31 amu  
99+
Atomic Volume
19.80 cm3/mol  
33
13.97 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Sodium
  
Next Element
Lawrencium
  
Aluminium
  
Valence Electron Potential
26.00 (-eV)  
99+
40.00 (-eV)  
99+
Lattice Constant
-  
320.94 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.76  
5
1.62  
15
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
1.74 g/cm3  
99+
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
1.58 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
150.00 MPa  
25
Viscosity
0.00  
25
0.00  
24
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
28
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
17.00 GPa  
99+
Bulk Modulus
8.70 GPa  
99+
45.00 GPa  
29
Young's Modulus
12.30 GPa  
99+
45.00 GPa  
99+
Poisson Ratio
0.30  
14
0.29  
15
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
1.74  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
3
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
33
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.68 nΩ·m  
99+
43.90 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.23 106/cm Ω  
7
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
1.02 J/(kg K)  
4
Molar Heat Capacity
27.00 J/mol·K  
29
24.87 J/mol·K  
99+
Thermal Conductivity
0.10 W/m·K  
99+
156.00 W/m·K  
8
Critical Temperature
1,100.00 K  
99+
923.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
24.80 µm/(m·K)  
15
Enthalpy
  
  
Enthalpy of Vaporization
-  
128.70 kJ/mol  
99+
Enthalpy of Fusion
-  
8.95 kJ/mol  
99+
Enthalpy of Atomization
390.40 kJ/mol  
30
148.50 kJ/mol  
99+
Standard Molar Entropy
63.00 J/mol.K  
24
32.70 J/mol.K  
99+
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