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Dubnium
Dubnium

Zirconium
Zirconium



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Dubnium
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Zirconium

Dubnium Zirconium Comparison

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1 Periodic Table
1.1 Symbol
Db
Zr
1.2 Group Number
54
Gadolinium Metal
0 17
1.3 Period Number
75
Lithium Metal
2 7
1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
538503547440677
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Not Available
P63/mmc
1.8 Space Group Number
NA194.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
2.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Joint Institute for Nuclear Research
Martin Heinrich Klaproth
2.3.2 Discovery
In 1968
In 1789
2.4 Abundance
2.4.1 Abundance In Universe
NA5 * 10-6 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~0.000004 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NA0.01 %
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  • 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.
3.1.1 Industrial Uses
NA
Aerospace Industry, Ammunition Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Research Purposes
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Unknown
NA
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.01 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.0.10 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
NA1,852.00 °C
Francium Metal
27 3410
4.2 Boiling Point
NA4,377.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Unknown
Silvery White
4.3.3 Luster
Unknown Luster
Lustrous
4.4 Hardness
4.4.1 Mohs Hardness
NA5.00
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NA638.00 MPa
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NA820.00 MPa
Palladium Metal
121 3430
4.5 Speed of Sound
NA3,800.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum Metal
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Db
Zr
5.2 Isotopes
5.2.1 Known Isotopes
1024
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
NA1.33
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NA0.90
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
NA1.22
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NA1.32
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
NA2.67
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
664.80 kJ/mol640.10 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,546.70 kJ/mol1,270.00 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,378.40 kJ/mol2,218.00 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,298.80 kJ/mol3,313.00 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
4,305.20 kJ/mol7,752.00 kJ/mol
Tin
4305.2 97510
5.5.6 6th Energy Level
NA9,500.00 kJ/mol
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NANA
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NANA
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NANA
Iron Metal
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NANA
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NANA
Copper Metal
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
NA0.85 g/amp-hr
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
NA4.05 eV
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
10540
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f14 6d3 7s2
[Kr] 4d2 5s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
10540
Lithium Metal
3 117
6.4.2 Number of Neutrons
15751
Lithium Metal
4 184
6.4.3 Number of Electrons
10540
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
139.00 pm160.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
149.00 pm175.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
NA200.00 pm
Zinc Metal
139 348
6.6 Atomic Weight
268.00 amu91.22 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
NA14.10 cm3/mol
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
NA80.00 (-eV)
Francium Metal
8 392.42
6.10 Lattice Constant
NA323.20 pm
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
NA
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
NA1.59
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
29.30 g/cm36.52 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NA5.80 g/cm3
Lithium Metal
0.512 20
7.2 Tensile Strength
NA330.00 MPa
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NA0.00 (Pa)
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA33.00 GPa
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NA91.10 GPa
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NA88.00 GPa
Cesium Metal
1.7 528
7.6 Poisson Ratio
NA0.34
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
Unknown
Ductile, Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
NA6.51
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Unknown
Paramagnetic
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Unknown
Conductor
8.2.2 Resistivity
NA421.00 nΩ·m
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
NA0.02 106/cm Ω
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
NA41.10 kJ/mol
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
NA0.27 J/(kg K)
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
NA25.36 J/mol·K
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
NA22.60 W/m·K
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
NA5.70 µm/(m·K)
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
NA581.60 kJ/mol
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
NA20.90 kJ/mol
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
NA598.00 kJ/mol
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
NA39.00 J/mol.K
Beryllium Metal
9.5 198.1