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Zirconium vs Seaborgium


Seaborgium vs Zirconium


Periodic Table

Symbol
Zr  
Sg  

Group Number
4  
14
6  
12

Period Number
5  
7  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440677  
23
54038812  
9

Space Group Name
P63/mmc  
-  

Space Group Number
194.00  
7
166.00  
9

Facts

Interesting Facts
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  

Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  

History
  
  

Who Discovered
Martin Heinrich Klaproth  
Lawrence Berkeley National Laboratory  

Discovery
In 1789  
In 1974  

Abundance
  
  

Abundance In Universe
0.00 %  
14
0.00 %  
40

Abundance In Sun
0.00 %  
16
-  

Abundance In Meteorites
0.00 %  
17
-  

Abundance In Earth's Crust
0.01 %  
14
-  

Abundance In Oceans
0.00 %  
23
-  

Abundance In Humans
0.00 %  
18
-  

Uses

Uses & Benefits
  • As this metal does not absorb neutrons; It is used in nuclear power stations.
  • Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Ammunition Industry  
-  

Medical Uses
-  
-  

Other Uses
Alloys, Nuclear Research, Research Purposes  
Research Purposes  

Biological Properties
  
  

Toxicity
-  
-  

Present in Human Body
Yes  
No  

In Blood
0.01 Blood/mg dm-3  
21
0.00 Blood/mg dm-3  
27

In Bone
0.10 p.p.m.  
28
0.00 p.p.m.  
99+

Physical

Melting Point
1,852.00 °C  
15
-  

Boiling Point
4,377.00 °C  
11
0.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
-  

Luster
Lustrous  
Unknown Luster  

Hardness
  
  

Mohs Hardness
5.00  
8
6.00  
6

Brinell Hardness
638.00 MPa  
21
400.00 MPa  
34

Vickers Hardness
820.00 MPa  
22
520.00 MPa  
33

Speed of Sound
3,800.00 m/s  
27
3,200.00 m/s  
35

Optical Properties
  
  

Refractive Index
2.15  
10
1.30  
99+

Reflectivity
70.00 %  
13
68.00 %  
15

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Zr  
Sg  

Isotopes
  
  

Known Isotopes
24  
15
9  
29

Electronegativity
  
  

Pauling Electronegativity
1.33  
31
0.00  
99+

Sanderson Electronegativity
0.90  
99+
1.90  
13

Allred Rochow Electronegativity
1.22  
27
1.30  
25

Mulliken-Jaffe Electronegativity
1.33  
32
1.30  
33

Allen Electronegativity
1.32  
39
1.90  
8

Electropositivity
  
  

Pauling Electropositivity
2.67  
24
2.20  
39

Ionization Energies
  
  

1st Energy Level
640.10 kJ/mol  
99+
757.40 kJ/mol  
21

2nd Energy Level
1,270.00 kJ/mol  
99+
1,732.90 kJ/mol  
29

3rd Energy Level
2,218.00 kJ/mol  
99+
2,483.50 kJ/mol  
99+

4th Energy Level
3,313.00 kJ/mol  
99+
3,415.60 kJ/mol  
99+

5th Energy Level
7,752.00 kJ/mol  
16
4,561.80 kJ/mol  
99+

6th Energy Level
9,500.00 kJ/mol  
21
5,715.80 kJ/mol  
99+

7th Energy level
6,400.00 kJ/mol  
99+
5,700.00 kJ/mol  
99+

8th Energy Level
6,400.00 kJ/mol  
99+
5,700.00 kJ/mol  
99+

9th Energy Level
6,400.00 kJ/mol  
40
5,710.00 kJ/mol  
99+

10th Energy Level
5,730.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+

11th Energy Level
6,406.00 kJ/mol  
99+
6,600.00 kJ/mol  
39

12th Energy Level
6,400.00 kJ/mol  
99+
971.00 kJ/mol  
99+

13th Energy Level
6,400.00 kJ/mol  
36
5,700.00 kJ/mol  
99+

14th Energy Level
640.00 kJ/mol  
99+
5,700.00 kJ/mol  
99+

15th Energy Level
64,000.00 kJ/mol  
36
54,000.00 kJ/mol  
99+

16th Energy Level
64,000.00 kJ/mol  
27
64,000.00 kJ/mol  
27

17th Energy Level
640.10 kJ/mol  
99+
579.80 kJ/mol  
99+

18th Energy Level
6,400.00 kJ/mol  
38
3,300.00 kJ/mol  
99+

19th Energy Level
640.00 kJ/mol  
99+
579.80 kJ/mol  
99+

20th Energy Level
640.00 kJ/mol  
39
579.00 kJ/mol  
99+

21st Energy Level
640.10 kJ/mol  
99+
6,270.00 kJ/mol  
14

22nd Energy Level
640.00 kJ/mol  
33
573.00 kJ/mol  
99+

23rd Energy Level
640.10 kJ/mol  
99+
5,790.00 kJ/mol  
22

24th Energy Level
640.00 kJ/mol  
35
971.00 kJ/mol  
4

25th Energy Level
640.10 kJ/mol  
37
0.00 kJ/mol  
99+

26th Energy Level
640.10 kJ/mol  
36
579.10 kJ/mol  
99+

27th Energy Level
640.10 kJ/mol  
38
870.00 kJ/mol  
7

28th Energy Level
640.10 kJ/mol  
99+
870.00 kJ/mol  
10

29th Energy Level
640.10 kJ/mol  
99+
761.90 kJ/mol  
21

30th Energy Level
640.10 kJ/mol  
39
0.00 kJ/mol  
99+

Electrochemical Equivalent
0.85 g/amp-hr  
99+
3.20 g/amp-hr  
14

Electron Work Function
4.05 eV  
34
6.00 eV  
1

Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility  
-  

Atomic

Atomic Number
40  
99+
106  
12

Electron Configuration
[Kr] 4d2 5s2  
[Rn] 5f14 6d2 7s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  

Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
40  
99+
106  
12

Number of Neutrons
51  
99+
157  
8

Number of Electrons
40  
99+
106  
12

Radius of an Atom
  
  

Atomic Radius
160.00 pm  
29
132.00 pm  
99+

Covalent Radius
175.00 pm  
25
143.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
230.00 pm  
24

Atomic Weight
91.22 amu  
99+
269.00 amu  
9

Atomic Volume
14.10 cm3/mol  
99+
35.00 cm3/mol  
8

Adjacent Atomic Numbers
  
  

Previous Element
Yttrium
  
Dubnium
  

Next Element
Niobium
  
Bohrium
  

Valence Electron Potential
80.00 (-eV)  
18
6.10 (-eV)  
99+

Lattice Constant
323.20 pm  
99+
-  

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.59  
25
1.36  
99+

Mechanical

Density
  
  

Density At Room Temperature
6.52 g/cm3  
99+
35.00 g/cm3  
4

Density When Liquid (at m.p.)
5.80 g/cm3  
99+
35.00 g/cm3  
4

Tensile Strength
330.00 MPa  
14
30.00 MPa  
99+

Viscosity
0.00  
12
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
21
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
33.00 GPa  
23
30.00 GPa  
27

Bulk Modulus
91.10 GPa  
18
0.00 GPa  
99+

Young's Modulus
88.00 GPa  
24
12.60 GPa  
99+

Poisson Ratio
0.34  
10
0.25  
24

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
6.51  
99+
35.00  
6

Magnetic Ordering
Paramagnetic  
-  

Permeability
0.00 H/m  
17
0.00 H/m  
7

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
-  

Resistivity
421.00 nΩ·m  
11
0.38 nΩ·m  
99+

Electrical Conductivity
0.02 106/cm Ω  
99+
0.00 106/cm Ω  
99+

Electron Affinity
41.10 kJ/mol  
32
50.00 kJ/mol  
26

Thermal

Specific Heat
0.27 J/(kg K)  
19
0.27 J/(kg K)  
19

Molar Heat Capacity
25.36 J/mol·K  
99+
35.00 J/mol·K  
5

Thermal Conductivity
22.60 W/m·K  
99+
0.14 W/m·K  
99+

Critical Temperature
2,128.00 K  
17
1,200.00 K  
99+

Thermal Expansion
5.70 µm/(m·K)  
99+
11.00 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
581.60 kJ/mol  
11
585.00 kJ/mol  
10

Enthalpy of Fusion
20.90 kJ/mol  
11
-  

Enthalpy of Atomization
598.00 kJ/mol  
12
650.00 kJ/mol  
8

Standard Molar Entropy
39.00 J/mol.K  
99+
42.70 J/mol.K  
99+

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