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Niobium vs Dysprosium

Niobium
Dysprosium
Dysprosium vs Niobium


Periodic Table
Symbol
Nb   
Dy   
Group Number
5   
13
Not Available   
Period Number
5   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
7440031   
99+
7429916   
99+
Space Group Name
Im_ 3m   
P63/mmc   
Space Group Number
229.00   
1
194.00   
5
Facts
Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Charles Hatchett   
Lecoq de Boisbaudran   
Discovery
In 1801   
In 1886   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
2 * 10-7 %   
22
Abundance In Sun
~0.0000004 %   
23
~0.0000002 %   
25
Abundance In Meteorites
0.00 %   
35
0.00 %   
33
Abundance In Earth's Crust
0.00 %   
25
0.00 %   
28
Abundance In Oceans
0.00 %   
34
0.00 %   
35
Uses
Uses & Benefits
  • Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.
  • It is used superconducting magnets in particles accelerators, NMR and MRI equipment.
  
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys, Nuclear Research   
Biological Properties
  
  
Toxicity
Low Toxic   
Mildly Toxic   
Present in Human Body
Yes   
No   
In Blood
0.01 Blood/mg dm-3   
25
Not Available   
In Bone
0.07 p.p.m.   
25
Not Available   
Physical Properties
Melting Point
2,468.00 °C   
6
1,407.00 °C   
32
Boiling Point
2,468.00 °C   
99+
2,562.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
Not Available   
Brinell Hardness
735.00 MPa   
14
500.00 MPa   
23
Vickers Hardness
870.00 MPa   
12
540.00 MPa   
20
Speed of Sound
3,480.00 m/s   
21
2,710.00 m/s   
33
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
Nb   
Dy   
Isotopes
  
  
Known Isotopes
17   
22
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
1.22   
38
Sanderson Electronegativity
1.42   
16
Not Available   
Allred Rochow Electronegativity
1.23   
25
1.10   
30
Allen Electronegativity
1.41   
31
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
2.78   
16
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
573.00 kJ/mol   
99+
2nd Energy Level
1,380.00 kJ/mol   
99+
1,130.00 kJ/mol   
99+
3rd Energy Level
2,416.00 kJ/mol   
99+
2,200.00 kJ/mol   
99+
4th Energy Level
3,700.00 kJ/mol   
99+
3,990.00 kJ/mol   
37
5th Energy Level
4,877.00 kJ/mol   
36
Not Available   
6th Energy Level
9,847.00 kJ/mol   
11
Not Available   
7th Energy level
12,100.00 kJ/mol   
14
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
2.02 g/amp-hr   
29
Electron Work Function
4.30 eV   
18
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
41   
99+
66   
99+
Electron Configuration
[Kr] 4d4 5s1   
[Xe] 4f9 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
Atom
  
  
Number of Protons
41   
99+
66   
99+
Number of Neutrons
52   
99+
96   
35
Number of Electrons
41   
99+
66   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
178.00 pm   
16
Covalent Radius
164.00 pm   
28
192.00 pm   
17
Van der Waals Radius
200.00 pm   
28
229.00 pm   
20
Atomic Weight
92.91 amu   
99+
162.50 amu   
99+
Atomic Volume
10.87 cm3/mol   
99+
19.00 cm3/mol   
23
Adjacent Atomic Numbers
  
  
Previous Element
Zirconium
  
Terbium
  
Next Element
Molybdenum
  
Holmium
  
Valence Electron Potential
104.00 (-eV)   
8
47.40 (-eV)   
32
Lattice Constant
330.04 pm   
99+
359.30 pm   
37
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
15
Mechanical Properties
Density
  
  
Density At Room Temperature
8.57 g/cm3   
99+
8.54 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
8.37 g/cm3   
25
Tensile Strength
330.00 MPa   
12
120.00 MPa   
15
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
27
Not Available   
Elasticity properties
  
  
Shear Modulus
38.00 GPa   
19
24.70 GPa   
31
Bulk Modulus
170.00 GPa   
10
40.50 GPa   
31
Young's Modulus
105.00 GPa   
20
61.40 GPa   
33
Poisson Ratio
0.40   
4
0.25   
25
Other Mechanical Properties
Ductile, Malleable   
Sectile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.57   
37
8.55   
38
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
152.00 nΩ·m   
23
926.00 nΩ·m   
2
Electrical Conductivity
0.07 106/cm Ω   
28
0.01 106/cm Ω   
99+
Electron Affinity
86.10 kJ/mol   
12
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.26 J/(kg K)   
20
0.17 J/(kg K)   
34
Molar Heat Capacity
24.60 J/mol·K   
99+
27.70 J/mol·K   
14
Thermal Conductivity
53.70 W/m·K   
29
10.70 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
7.30 µm/(m·K)   
99+
9.90 µm/(m·K)   
40
Enthalpy
  
  
Enthalpy of Vaporization
696.60 kJ/mol   
4
230.00 kJ/mol   
39
Enthalpy of Fusion
27.20 kJ/mol   
6
11.05 kJ/mol   
32
Enthalpy of Atomization
745.00 kJ/mol   
4
301.00 kJ/mol   
36
Standard Molar Entropy
36.40 J/mol.K   
99+
75.60 J/mol.K   
7
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