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Properties of Yttrium and Tantalum

Yttrium
Tantalum
Properties of Tantalum & Yttrium


Physical Properties
Melting Point
1,523.00 °C   
27
2,996.00 °C   
4
Boiling Point
3,337.00 °C   
21
5,425.00 °C   
4
Hardness
  
  
Mohs Hardness
Not Available   
6.50   
5
Brinell Hardness
589.00 MPa   
22
440.00 MPa   
28
Vickers Hardness
Not Available   
870.00 MPa   
12
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
78.00 %   
6
Speed of Sound
3,300.00 m/s   
23
3,400.00 m/s   
22
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
Y   
Ta   
Isotopes
  
  
Known Isotopes
19   
20
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
1.50   
27
Sanderson Electronegativity
0.65   
29
Not Available   
Allred Rochow Electronegativity
1.11   
29
1.33   
22
Mulliken-Jaffe Electronegativity
Not Available   
Not Available   
Allen Electronegativity
1.12   
38
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
2.50   
27
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol   
99+
761.00 kJ/mol   
18
2nd Energy Level
1,180.00 kJ/mol   
99+
1,500.00 kJ/mol   
40
3rd Energy Level
1,980.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.11 g/amp-hr   
99+
1.35 g/amp-hr   
99+
Electron Work Function
3.10 eV   
35
4.25 eV   
21
Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Flammable metals have ability to burn or ignite, causing fire or combustion.Flammable, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces.Radioactivity, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
Mechanical Properties
Density
  
  
Density At Room Temperature
4.47 g/cm3   
99+
16.69 g/cm3   
18
Density When Liquid (at m.p.)
4.24 g/cm3   
99+
15.00 g/cm3   
9
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
32
Not Available   
Vapor Pressure at 2000 K
4.27 (Pa)   
10
0.00 (Pa)   
31
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
25.60 GPa   
30
69.00 GPa   
13
Bulk Modulus
41.20 GPa   
30
200.00 GPa   
8
Young's Modulus
63.50 GPa   
32
186.00 GPa   
13
Poisson Ratio
0.24   
26
0.34   
10
Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile   
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile   
Periodic Table
Symbol
Y   
Ta   
Group Number
3   
15
5   
13
Period Number
5   
6   
Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block   
Element Family
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal   
Atomic Properties
Atomic Number
39   
99+
73   
99+
Atomic Weight
88.91 amu   
99+
180.95 amu   
38
Atomic Volume
19.80 cm3/mol   
21
10.90 cm3/mol   
99+
Electron Configuration
[Kr] 4d1 5s2   
[Xe] 4f14 5d3 6s2   
Valence Electron Potential
48.00 (-eV)   
30
110.00 (-eV)   
7
Atom
  
  
Number of Protons
39   
99+
73   
99+
Number of Neutrons
50   
99+
108   
28
Number of Electrons
39   
99+
73   
99+
Crystal Structure
?
The hexagonal crystal system consists of the 7 point groups such that all their space groups have the hexagonal lattice as underlying lattice. The hexagonal crystal family consists of the 12 point groups such that at least one of their space groups has theHexagonal Close Packed (HCP)   
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
146.00 pm   
35
Covalent Radius
190.00 pm   
18
170.00 pm   
25
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Lattice Constant
364.74 pm   
31
330.13 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
16
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Zirconium
  
Tungsten
  
Previous Element
Strontium
  
Hafnium
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
596.00 nΩ·m   
8
131.00 nΩ·m   
25
Electrical Conductivity
0.02 106/cm Ω   
99+
0.08 106/cm Ω   
27
Electron Affinity
29.60 kJ/mol   
30
31.00 kJ/mol   
29
Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor   
Magnetic Characteristics
  
  
Specific Gravity
4.47   
99+
16.65   
11
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
Permeability
Not Available   
Not Available   
Susceptibility
Not Available   
Not Available   
Thermal Properties
Specific Heat
0.30 J/(kg K)   
18
0.14 J/(kg K)   
37
Thermal Conductivity
17.20 W/m·K   
99+
57.50 W/m·K   
27
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
26.53 J/mol·K   
27
25.36 J/mol·K   
99+
Thermal Expansion
10.60 µm/(m·K)   
37
6.30 µm/(m·K)   
99+
Standard Molar Entropy
44.40 J/mol.K   
33
41.50 J/mol.K   
37
Enthalpy
  
  
Enthalpy of Vaporization
393.00 kJ/mol   
18
753.10 kJ/mol   
2
Enthalpy of Fusion
17.15 kJ/mol   
16
31.40 kJ/mol   
3
Enthalpy of Atomization
418.00 kJ/mol   
18
782.00 kJ/mol   
3
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