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Molybdenum
Molybdenum

Dysprosium
Dysprosium



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Molybdenum vs Dysprosium

1 Periodic Table
1.1 Symbol
Mo
Dy
1.2 Group Number
6NA
Gadolinium
0 17
1.3 Period Number
56
Lithium
2 7
1.4 Block
d block
f block
1.5 Element Family
Transition Metal
Lanthanide
1.6 CAS Number
74399877429916
Aluminium
7429905 54386242
1.3 Space Group Name
Im_ 3m
P63/mmc
1.4 Space Group Number
229.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Carl Wilhelm Scheele
Lecoq de Boisbaudran
2.3.2 Discovery
In 1778
In 1886
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-7 %2 * 10-7 %
Thallium
5E-09 0.11
2.7.1 Abundance In Sun
~0.0000009 %~0.0000002 %
Beryllium
1E-08 0.1
2.9.1 Abundance In Meteorites
0.00 %0.00 %
Gold
1.7E-07 22
2.9.2 Abundance In Earth's Crust
0.00 %0.00 %
Radium
9.9E-12 8.1
3.4.2 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
3.4.4 Abundance In Humans
0.00 %NA
Radium
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Its alloys are used to make engine parts, drills, saw blade, etc.
  • Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.
  • 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.
4.1.1 Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys
Alloys, Nuclear Research
4.2 Biological Properties
4.2.1 Toxicity
Toxic
Mildly Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
4.2.5 In Bone
0.70 p.p.m.NA
Plutonium
0 170000
5 Physical
5.1 Melting Point
2,617.00 °C1,407.00 °C
Francium
27 3410
5.2 Boiling Point
4,612.00 °C2,562.00 °C
Flerovium
147 5660
6.3 Appearance
6.3.1 Physical State
Solid
Solid
6.3.2 Color
Gray
Silvery White
6.3.3 Luster
Metallic
Metallic
6.4 Hardness
6.4.1 Mohs Hardness
5.50NA
Cesium
0.2 8.5
6.4.3 Brinell Hardness
1,370.00 MPa500.00 MPa
Cesium
0.14 3490
7.1.1 Vickers Hardness
1,400.00 MPa540.00 MPa
Palladium
121 3430
7.3 Speed of Sound
5,400.00 m/s2,710.00 m/s
Thallium
818 16200
7.6 Optical Properties
7.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
7.6.2 Reflectivity
58.00 %NA
Silver
58 97
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Mo
Dy
8.2 Isotopes
8.2.1 Known Isotopes
2529
Tennessine
0 38
8.3 Electronegativity
8.3.1 Pauling Electronegativity
2.161.22
Francium
0.7 2.54
8.4.1 Sanderson Electronegativity
1.15NA
Cesium
0.22 2.56
8.4.2 Allred Rochow Electronegativity
1.301.10
Cesium
0.86 1.82
8.5.2 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
9.2.2 Allen Electronegativity
2.16NA
Cesium
0.659 2.7
9.4 Electropositivity
9.4.1 Pauling Electropositivity
1.842.78
Gold
1.46 3.3
9.5 Ionization Energies
9.5.1 1st Energy Level
684.30 kJ/mol573.00 kJ/mol
Cesium
375.7 26130
9.5.4 2nd Energy Level
1,560.00 kJ/mol1,130.00 kJ/mol
Ruthenium
710.2162 28750
9.5.6 3rd Energy Level
2,618.00 kJ/mol2,200.00 kJ/mol
Osmium
1600 34230
9.5.8 4th Energy Level
4,480.00 kJ/mol3,990.00 kJ/mol
Thorium
2780 37066
9.5.9 5th Energy Level
5,257.00 kJ/molNA
Dubnium
4305.2 97510
9.6.2 6th Energy Level
6,640.80 kJ/molNA
Seaborgium
5715.8 105800
9.7.2 7th Energy level
12,125.00 kJ/molNA
Bohrium
7226.8 114300
9.7.4 8th Energy Level
13,860.00 kJ/molNA
Hassium
8857.4 125300
9.7.6 9th Energy Level
15,835.00 kJ/molNA
Yttrium
14110 134700
9.7.8 10th Energy Level
17,980.00 kJ/molNA
Strontium
17100 144300
9.7.10 11th Energy Level
20,190.00 kJ/molNA
Yttrium
19900 169988
9.7.12 12th Energy Level
22,219.00 kJ/molNA
Copper
22219 189368
9.7.14 13th Energy Level
26,930.00 kJ/molNA
Vanadium
26930 76015
9.7.16 14th Energy Level
29,196.00 kJ/molNA
Iron
29196 86450
9.7.18 15th Energy Level
52,490.00 kJ/molNA
Manganese
41987 97510
9.7.20 16th Energy Level
55,000.00 kJ/molNA
Iron
47206 109480
9.7.22 17th Energy Level
61,400.00 kJ/molNA
Cobalt
52737 122200
9.7.23 18th Energy Level
67,700.00 kJ/molNA
Nickel
58570 134810
9.7.25 19th Energy Level
74,000.00 kJ/molNA
Copper
64702 148700
9.7.27 20th Energy Level
80,400.00 kJ/molNA
Zinc
80400 171200
9.7.28 21st Energy Level
87,000.00 kJ/molNA
Zinc
87000 179100
9.7.30 22nd Energy Level
93,400.00 kJ/molNA
Copper
93400 184900
9.7.31 23rd Energy Level
98,420.00 kJ/molNA
Copper
98420 198800
9.7.32 24th Energy Level
104,400.00 kJ/molNA
Iron
104400 195200
9.7.34 25th Energy Level
121,900.00 kJ/molNA
121900 121900
9.7.35 26th Energy Level
127,700.00 kJ/molNA
127700 127700
9.7.36 27th Energy Level
133,800.00 kJ/molNA
133800 133800
9.7.37 28th Energy Level
139,800.00 kJ/molNA
139800 139800
9.7.39 29th Energy Level
148,100.00 kJ/molNA
148100 148100
9.7.40 30th Energy Level
154,500.00 kJ/molNA
154500 154500
9.8 Electrochemical Equivalent
0.89 g/amp-hr2.02 g/amp-hr
Beryllium
0.16812 8.3209
9.9 Electron Work Function
4.60 eVNA
Cesium
2.14 5.65
9.10 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
10 Atomic
10.1 Atomic Number
4266
Lithium
3 117
10.2 Electron Configuration
[Kr] 4d5 5s1
[Xe] 4f9 6s2
10.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
4266
Lithium
3 117
10.4.3 Number of Neutrons
5496
Lithium
4 184
10.4.6 Number of Electrons
4266
Lithium
3 117
10.5 Radius of an Atom
10.5.1 Atomic Radius
139.00 pm178.00 pm
Beryllium
112 265
10.5.3 Covalent Radius
154.00 pm192.00 pm
Beryllium
96 260
10.5.5 Van der Waals Radius
200.00 pm229.00 pm
Zinc
139 348
10.6 Atomic Weight
95.95 amu162.50 amu
Lithium
6.94 294
10.8 Atomic Volume
9.40 cm3/mol19.00 cm3/mol
Manganese
1.39 71.07
10.10 Adjacent Atomic Numbers
10.10.1 Previous Element
10.10.2 Next Element
10.11 Valence Electron Potential
88.60 (-eV)47.40 (-eV)
Francium
8 392.42
11.2 Lattice Constant
314.70 pm359.30 pm
Beryllium
228.58 891.25
11.6 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
11.7 Lattice C/A Ratio
NA1.57
Beryllium
1.567 1.886
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
10.28 g/cm38.54 g/cm3
Lithium
0.534 40.7
12.1.3 Density When Liquid (at m.p.)
9.33 g/cm38.37 g/cm3
Lithium
0.512 20
12.2 Tensile Strength
324.00 MPa120.00 MPa
Indium
2.5 11000
12.4 Viscosity
NANA
Mercury
0.001526 0.001526
12.5 Vapor Pressure
12.5.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
12.5.3 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten
2.62E-10 774
12.7 Elasticity properties
12.7.1 Shear Modulus
126.00 GPa24.70 GPa
Potassium
1.3 222
12.8.1 Bulk Modulus
230.00 GPa40.50 GPa
Cesium
1.6 462
12.10.1 Young's Modulus
329.00 GPa61.40 GPa
Cesium
1.7 528
12.12 Poisson Ratio
0.310.25
Beryllium
0.032 0.47
12.15 Other Mechanical Properties
Ductile, Weldable
Sectile
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
10.228.55
Lithium
0.53 4500
14.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
14.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
14.1.5 Susceptibility
NANA
Bismuth
-0.000166 200000
14.2 Electrical Properties
14.2.1 Electrical Property
Semiconductor
Conductor
14.2.2 Resistivity
53.40 nΩ·m926.00 nΩ·m
Thallium
0.18 961
14.4.1 Electrical Conductivity
0.19 106/cm Ω0.01 106/cm Ω
Plutonium
0.00666 0.63
14.5.2 Electron Affinity
71.90 kJ/mol50.00 kJ/mol
Mercury
0 222.8
15 Thermal
15.1 Specific Heat
0.25 J/(kg K)0.17 J/(kg K)
Americium
0.11 3.6
15.3 Molar Heat Capacity
24.06 J/mol·K27.70 J/mol·K
Beryllium
16.443 62.7
15.4 Thermal Conductivity
138.00 W/m·K10.70 W/m·K
Neptunium
6.3 429
15.5 Critical Temperature
NANA
Ytterbium
26.3 3223
15.7 Thermal Expansion
4.80 µm/(m·K)9.90 µm/(m·K)
Tungsten
4.5 97
16.2 Enthalpy
16.2.1 Enthalpy of Vaporization
594.10 kJ/mol230.00 kJ/mol
Zinc
7.32 799.1
16.2.5 Enthalpy of Fusion
27.61 kJ/mol11.05 kJ/mol
Cesium
2.1 35.23
16.3.3 Enthalpy of Atomization
653.00 kJ/mol301.00 kJ/mol
Mercury
61.5 837
16.4 Standard Molar Entropy
28.70 J/mol.K75.60 J/mol.K
Beryllium
9.5 198.1