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Zirconium vs Meitnerium

Zirconium
Meitnerium
Meitnerium vs Zirconium


Periodic Table
Symbol
Zr  
Mt  
Group Number
4  
14
9  
9
Period Number
5  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
7440677  
23
54038016  
10
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.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  
Sources
Found in Minerals, Mining, Ores of Minerals  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
History
  
  
Who Discovered
Martin Heinrich Klaproth  
Gesellschaft für Schwerionenforschung  
Discovery
In 1789  
In 1982  
Abundance
  
  
Abundance In Universe
0.00 %  
14
0.00 %  
40
Abundance In Sun
0.00 %  
16
-  
Abundance In Meteorites
0.00 %  
17
0.00 %  
99+
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 Meitnerium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Ammunition Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, 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  
40
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
-  
Brinell Hardness
638.00 MPa  
21
400.00 MPa  
34
Vickers Hardness
820.00 MPa  
22
350.00 MPa  
99+
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  
Mt  
Isotopes
  
  
Known Isotopes
24  
15
4  
33
Electronegativity
  
  
Pauling Electronegativity
1.33  
31
1.30  
33
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
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.67  
24
2.00  
99+
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol  
99+
800.80 kJ/mol  
15
2nd Energy Level
1,270.00 kJ/mol  
99+
1,823.60 kJ/mol  
18
3rd Energy Level
2,218.00 kJ/mol  
99+
2,904.20 kJ/mol  
31
4th Energy Level
3,313.00 kJ/mol  
99+
3,859.40 kJ/mol  
99+
5th Energy Level
7,752.00 kJ/mol  
16
4,920.80 kJ/mol  
99+
6th Energy Level
9,500.00 kJ/mol  
21
8,000.00 kJ/mol  
34
7th Energy level
6,400.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
8th Energy Level
6,400.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
9th Energy Level
6,400.00 kJ/mol  
40
6,700.00 kJ/mol  
36
10th Energy Level
5,730.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
11th Energy Level
6,406.00 kJ/mol  
99+
6,300.00 kJ/mol  
99+
12th Energy Level
6,400.00 kJ/mol  
99+
0.00 kJ/mol  
99+
13th Energy Level
6,400.00 kJ/mol  
36
8,000.00 kJ/mol  
20
14th Energy Level
640.00 kJ/mol  
99+
1,156.00 kJ/mol  
99+
15th Energy Level
64,000.00 kJ/mol  
36
80,000.00 kJ/mol  
17
16th Energy Level
64,000.00 kJ/mol  
27
58,700.00 kJ/mol  
39
17th Energy Level
640.10 kJ/mol  
99+
1,110.00 kJ/mol  
20
18th Energy Level
6,400.00 kJ/mol  
38
8,000.00 kJ/mol  
23
19th Energy Level
640.00 kJ/mol  
99+
1,110.00 kJ/mol  
17
20th Energy Level
640.00 kJ/mol  
39
850.00 kJ/mol  
18
21st Energy Level
640.10 kJ/mol  
99+
800.00 kJ/mol  
99+
22nd Energy Level
640.00 kJ/mol  
33
380.00 kJ/mol  
99+
23rd Energy Level
640.10 kJ/mol  
99+
8,000.00 kJ/mol  
9
24th Energy Level
640.00 kJ/mol  
35
565.60 kJ/mol  
99+
25th Energy Level
640.10 kJ/mol  
37
800.00 kJ/mol  
13
26th Energy Level
640.10 kJ/mol  
36
800.00 kJ/mol  
13
27th Energy Level
640.10 kJ/mol  
38
800.00 kJ/mol  
12
28th Energy Level
640.10 kJ/mol  
99+
800.00 kJ/mol  
18
29th Energy Level
640.10 kJ/mol  
99+
800.00 kJ/mol  
18
30th Energy Level
640.10 kJ/mol  
39
800.00 kJ/mol  
13
Electrochemical Equivalent
0.85 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.05 eV  
34
4.90 eV  
12
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
40  
99+
109  
9
Electron Configuration
[Kr] 4d2 5s2  
[Rn] 5f14 6d7 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
Atom
  
  
Number of Protons
40  
99+
109  
9
Number of Neutrons
51  
99+
157  
8
Number of Electrons
40  
99+
109  
9
Radius of an Atom
  
  
Atomic Radius
160.00 pm  
29
122.00 pm  
99+
Covalent Radius
175.00 pm  
25
129.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
260.00 pm  
9
Atomic Weight
91.22 amu  
99+
278.00 amu  
7
Atomic Volume
14.10 cm3/mol  
99+
20.20 cm3/mol  
30
Adjacent Atomic Numbers
  
  
Previous Element
Yttrium
  
Hassium
  
Next Element
Niobium
  
Darmstadtium
  
Valence Electron Potential
80.00 (-eV)  
18
31.20 (-eV)  
99+
Lattice Constant
323.20 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.59  
25
1.59  
27
Mechanical
Density
  
  
Density At Room Temperature
6.52 g/cm3  
99+
37.40 g/cm3  
2
Density When Liquid (at m.p.)
5.80 g/cm3  
99+
37.40 g/cm3  
2
Tensile Strength
330.00 MPa  
14
80.00 MPa  
29
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)  
37
Elasticity properties
  
  
Shear Modulus
33.00 GPa  
23
35.00 GPa  
21
Bulk Modulus
91.10 GPa  
18
0.00 GPa  
99+
Young's Modulus
88.00 GPa  
24
13.50 GPa  
99+
Poisson Ratio
0.34  
10
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
6.51  
99+
37.40  
4
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
12
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
421.00 nΩ·m  
11
0.35 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
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.36 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
22.60 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
2,128.00 K  
17
1,323.00 K  
99+
Thermal Expansion
5.70 µm/(m·K)  
99+
10.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
581.60 kJ/mol  
11
110.00 kJ/mol  
99+
Enthalpy of Fusion
20.90 kJ/mol  
11
-  
Enthalpy of Atomization
598.00 kJ/mol  
12
350.20 kJ/mol  
37
Standard Molar Entropy
39.00 J/mol.K  
99+
63.80 J/mol.K  
22
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