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Zirconium Zirconium Comparison


Zirconium Zirconium comparison


Periodic Table

Symbol
Zr   
Zr   

Group Number
4   
14
4   
14

Period Number
5   
5   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7440677   
23
7440677   
23

Space Group Name
P63/mmc   
P63/mmc   

Space Group Number
194.00   
5
194.00   
5

Facts

Interesting Facts
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  

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

History
  
  

Who Discovered
Martin Heinrich Klaproth   
Martin Heinrich Klaproth   

Discovery
In 1789   
In 1789   

Abundance
  
  

Abundance In Universe
5 * 10-6 %   
13
5 * 10-6 %   
13

Abundance In Sun
~0.000004 %   
16
~0.000004 %   
16

Abundance In Meteorites
0.00 %   
17
0.00 %   
17

Abundance In Earth's Crust
0.01 %   
14
0.01 %   
14

Abundance In Oceans
0.00 %   
23
0.00 %   
23

Abundance In Humans
0.00 %   
15
0.00 %   
15

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.
  
  • 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.
  

Industrial Uses
Aerospace Industry, Ammunition Industry   
Aerospace Industry, Ammunition Industry   

Medical Uses
NA   
NA   

Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys, Nuclear Research, Research Purposes   

Biological Properties
  
  

Toxicity
NA   
NA   

Present in Human Body
Yes   
Yes   

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

In Bone
0.10 p.p.m.   
23
0.10 p.p.m.   
23

Physical Properties

Melting Point
1,852.00 °C   
15
1,852.00 °C   
15

Boiling Point
4,377.00 °C   
11
4,377.00 °C   
11

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
Lustrous   
Lustrous   

Hardness
  
  

Mohs Hardness
5.00   
8
5.00   
8

Brinell Hardness
638.00 MPa   
19
638.00 MPa   
19

Vickers Hardness
820.00 MPa   
15
820.00 MPa   
15

Speed of Sound
3,800.00 m/s   
20
3,800.00 m/s   
20

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
Zr   
Zr   

Isotopes
  
  

Known Isotopes
24   
15
24   
15

Electronegativity
  
  

Pauling Electronegativity
1.33   
30
1.33   
30

Sanderson Electronegativity
0.90   
25
0.90   
25

Allred Rochow Electronegativity
1.22   
26
1.22   
26

Allen Electronegativity
1.32   
34
1.32   
34

Electropositivity
  
  

Pauling Electropositivity
2.67   
24
2.67   
24

Ionization Energies
  
  

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

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

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

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

5th Energy Level
7,752.00 kJ/mol   
10
7,752.00 kJ/mol   
10

6th Energy Level
9,500.00 kJ/mol   
15
9,500.00 kJ/mol   
15

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

Electron Work Function
4.05 eV   
26
4.05 eV   
26

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

Atomic Properties

Atomic Number
40   
99+
40   
99+

Electron Configuration
[Kr] 4d2 5s2   
[Kr] 4d2 5s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
40   
99+
40   
99+

Number of Neutrons
51   
99+
51   
99+

Number of Electrons
40   
99+
40   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
160.00 pm   
27

Covalent Radius
175.00 pm   
23
175.00 pm   
23

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
91.22 amu   
99+
91.22 amu   
99+

Atomic Volume
14.10 cm3/mol   
36
14.10 cm3/mol   
36

Adjacent Atomic Numbers
  
  

Previous Element
Yttrium
  
Yttrium
  

Next Element
Niobium
  
Niobium
  

Valence Electron Potential
80.00 (-eV)   
18
80.00 (-eV)   
18

Lattice Constant
323.20 pm   
99+
323.20 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.59   
8
1.59   
8

Mechanical Properties

Density
  
  

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

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

Tensile Strength
330.00 MPa   
12
330.00 MPa   
12

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

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

Elasticity properties
  
  

Shear Modulus
33.00 GPa   
20
33.00 GPa   
20

Bulk Modulus
91.10 GPa   
17
91.10 GPa   
17

Young's Modulus
88.00 GPa   
22
88.00 GPa   
22

Poisson Ratio
0.34   
10
0.34   
10

Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.51   
99+
6.51   
99+

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
421.00 nΩ·m   
11
421.00 nΩ·m   
11

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

Electron Affinity
41.10 kJ/mol   
27
41.10 kJ/mol   
27

Thermal Properties

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

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

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

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
581.60 kJ/mol   
9
581.60 kJ/mol   
9

Enthalpy of Fusion
20.90 kJ/mol   
11
20.90 kJ/mol   
11

Enthalpy of Atomization
598.00 kJ/mol   
10
598.00 kJ/mol   
10

Standard Molar Entropy
39.00 J/mol.K   
39
39.00 J/mol.K   
39

Summary >>
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