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Europium Zirconium Comparison


Zirconium Europium comparison


Periodic Table

Symbol
Eu   
Zr   

Group Number
Not Available   
4   
14

Period Number
6   
5   

Block
f block   
d block   

Element Family
Lanthanide   
Transition Metal   

CAS Number
7440531   
34
7440677   
23

Space Group Name
Im_ 3m   
P63/mmc   

Space Group Number
229.00   
1
194.00   
5

Facts

Interesting Facts
Not Available   
  • 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
Eugène-Anatole Demarçay   
Martin Heinrich Klaproth   

Discovery
In 1896   
In 1789   

Abundance
  
  

Abundance In Universe
5 * 10-8 %   
27
5 * 10-6 %   
13

Abundance In Sun
~0.00000005 %   
27
~0.000004 %   
16

Abundance In Meteorites
0.00 %   
99+
0.00 %   
17

Abundance In Earth's Crust
0.00 %   
36
0.01 %   
14

Abundance In Oceans
0.00 %   
99+
0.00 %   
23

Abundance In Humans
Not Available   
0.00 %   
15

Uses

Uses & Benefits
  • Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
  • It is used in low energy light bulbs.
  
  • 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
Chemical Industry   
Aerospace Industry, Ammunition Industry   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys, Nuclear Research, Research Purposes   

Biological Properties
  
  

Toxicity
Non Toxic   
NA   

Present in Human Body
Yes   
Yes   

In Blood
Not Available   
0.01 Blood/mg dm-3   
21

In Bone
Not Available   
0.10 p.p.m.   
23

Physical Properties

Melting Point
822.00 °C   
99+
1,852.00 °C   
15

Boiling Point
1,597.00 °C   
99+
4,377.00 °C   
11

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
Lustrous   
Lustrous   

Hardness
  
  

Mohs Hardness
Not Available   
5.00   
8

Brinell Hardness
Not Available   
638.00 MPa   
19

Vickers Hardness
167.00 MPa   
34
820.00 MPa   
15

Speed of Sound
Not Available   
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
Eu   
Zr   

Isotopes
  
  

Known Isotopes
31   
8
24   
15

Electronegativity
  
  

Pauling Electronegativity
1.20   
39
1.33   
30

Sanderson Electronegativity
1.01   
22
0.90   
25

Allred Rochow Electronegativity
Not Available   
1.22   
26

Allen Electronegativity
Not Available   
1.32   
34

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.67   
24

Ionization Energies
  
  

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

2nd Energy Level
1,085.00 kJ/mol   
99+
1,270.00 kJ/mol   
99+

3rd Energy Level
2,404.00 kJ/mol   
99+
2,218.00 kJ/mol   
99+

4th Energy Level
4,120.00 kJ/mol   
33
3,313.00 kJ/mol   
99+

5th Energy Level
Not Available   
7,752.00 kJ/mol   
10

6th Energy Level
Not Available   
9,500.00 kJ/mol   
15

Electrochemical Equivalent
1.89 g/amp-hr   
33
0.85 g/amp-hr   
99+

Electron Work Function
2.50 eV   
99+
4.05 eV   
26

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

Atomic Properties

Atomic Number
63   
99+
40   
99+

Electron Configuration
[Xe] 4f7 6s2   
[Kr] 4d2 5s2   

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

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

Atom
  
  

Number of Protons
63   
99+
40   
99+

Number of Neutrons
89   
38
51   
99+

Number of Electrons
63   
99+
40   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
160.00 pm   
27

Covalent Radius
198.00 pm   
13
175.00 pm   
23

Van der Waals Radius
233.00 pm   
18
200.00 pm   
28

Atomic Weight
151.96 amu   
99+
91.22 amu   
99+

Atomic Volume
28.90 cm3/mol   
8
14.10 cm3/mol   
36

Adjacent Atomic Numbers
  
  

Previous Element
Samarium
  
Yttrium
  

Next Element
Gadolinium
  
Niobium
  

Valence Electron Potential
45.60 (-eV)   
35
80.00 (-eV)   
18

Lattice Constant
458.10 pm   
17
323.20 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.59   
8

Mechanical Properties

Density
  
  

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

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

Tensile Strength
120.00 MPa   
15
330.00 MPa   
12

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
19.40 (Pa)   
4
Not Available   

Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
21

Elasticity properties
  
  

Shear Modulus
7.90 GPa   
99+
33.00 GPa   
20

Bulk Modulus
8.30 GPa   
99+
91.10 GPa   
17

Young's Modulus
18.20 GPa   
99+
88.00 GPa   
22

Poisson Ratio
0.15   
34
0.34   
10

Other Mechanical Properties
Ductile   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
5.24   
99+
6.51   
99+

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

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

Electrical Conductivity
0.01 106/cm Ω   
99+
0.02 106/cm Ω   
99+

Electron Affinity
50.00 kJ/mol   
21
41.10 kJ/mol   
27

Thermal Properties

Specific Heat
0.18 J/(kg K)   
33
0.27 J/(kg K)   
19

Molar Heat Capacity
27.66 J/mol·K   
16
25.36 J/mol·K   
99+

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

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
35.00 µm/(m·K)   
8
5.70 µm/(m·K)   
99+

Enthalpy
  
  

Enthalpy of Vaporization
143.50 kJ/mol   
99+
581.60 kJ/mol   
9

Enthalpy of Fusion
9.21 kJ/mol   
37
20.90 kJ/mol   
11

Enthalpy of Atomization
180.00 kJ/mol   
99+
598.00 kJ/mol   
10

Standard Molar Entropy
77.80 J/mol.K   
4
39.00 J/mol.K   
39

Summary >>
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