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Gold
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Neodymium
Neodymium



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1 Periodic Table
1.1 Symbol
Au
Nd
1.2 Group Number
111
Gadolinium
0 17
1.3 Period Number
66
Lithium
2 7
1.4 Block
d block
f block
1.5 Element Family
Transition Metal
Lanthanide
1.6 CAS Number
74405757440008
Aluminium
7429905 54386242
1.7 Space Group Name
Fm_ 3m
P63/mmc
1.8 Space Group Number
225.00194.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
2.2 Sources
Earth's crust, Mining, Ores of metals
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Unknown
Carl Auer von Welsbach
2.3.2 Discovery
Before 6000 BCE
In 1885
2.4 Abundance
2.4.1 Abundance In Universe
6 * 10-8 %1 * 10-6 %
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000001 %~0.0000003 %
Beryllium
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %0.00 %
Palladium
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %0.00 %
Radium
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
0.00 %NA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  • Neodymium-Iron-boron alloy is used to make permanent magnets.
  • It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
3.1.1 Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
NA
3.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
3.2.4 In Bone
0.02 p.p.m.NA
Plutonium
0 170000
4 Physical
4.1 Melting Point
1,064.43 °C1,010.00 °C
Francium
27 3410
4.2 Boiling Point
2,807.00 °C3,127.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Gold
Silvery White
4.3.3 Luster
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
2.50NA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
194.00 MPa265.00 MPa
Cesium
0.14 3490
4.4.3 Vickers Hardness
216.00 MPa345.00 MPa
Palladium
121 3430
4.5 Speed of Sound
2,030.00 m/s2,330.00 m/s
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
95.00 %NA
Molybdenum
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Au
Nd
5.2 Isotopes
5.2.1 Known Isotopes
3630
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
2.541.14
Francium
0.7 2.54
1.1.2 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
1.1.5 Allred Rochow Electronegativity
1.421.07
Cesium
0.86 1.82
1.1.6 Mulliken-Jaffe Electronegativity
1.87NA
Cesium
0.62 2.48
1.1.8 Allen Electronegativity
1.92NA
Cesium
0.659 2.7
1.3 Electropositivity
1.3.1 Pauling Electropositivity
1.462.86
Palladium
1.46 3.3
1.4 Ionization Energies
1.4.1 1st Energy Level
890.10 kJ/mol533.10 kJ/mol
Cesium
375.7 26130
1.4.2 2nd Energy Level
1,980.00 kJ/mol1,040.00 kJ/mol
Ruthenium
710.2162 28750
1.4.4 3rd Energy Level
NA2,130.00 kJ/mol
Osmium
1600 34230
1.4.5 4th Energy Level
NA3,900.00 kJ/mol
Thorium
2780 37066
1.4.6 5th Energy Level
NANA
Dubnium
4305.2 97510
1.4.7 6th Energy Level
NANA
Seaborgium
5715.8 105800
1.4.8 7th Energy level
NANA
Bohrium
7226.8 114300
1.4.9 8th Energy Level
NANA
Hassium
8857.4 125300
1.4.10 9th Energy Level
NANA
Yttrium
14110 134700
1.4.11 10th Energy Level
NANA
Strontium
17100 144300
1.4.12 11th Energy Level
NANA
Yttrium
19900 169988
1.4.13 12th Energy Level
NANA
Molybdenum
22219 189368
1.4.14 13th Energy Level
NANA
Molybdenum
26930 76015
1.4.15 14th Energy Level
NANA
Molybdenum
29196 86450
1.4.16 15th Energy Level
NANA
Manganese
41987 97510
1.4.17 16th Energy Level
NANA
Iron
47206 109480
1.4.18 17th Energy Level
NANA
Cobalt
52737 122200
1.4.19 18th Energy Level
NANA
Nickel
58570 134810
1.4.20 19th Energy Level
NANA
Copper
64702 148700
1.4.21 20th Energy Level
NANA
Molybdenum
80400 171200
1.4.22 21st Energy Level
NANA
Molybdenum
87000 179100
1.4.23 22nd Energy Level
NANA
Molybdenum
93400 184900
1.4.24 23rd Energy Level
NANA
Molybdenum
98420 198800
1.4.25 24th Energy Level
NANA
Molybdenum
104400 195200
1.4.26 25th Energy Level
NANA
Molybdenum
121900 121900
1.4.27 26th Energy Level
NANA
Molybdenum
127700 127700
1.4.28 27th Energy Level
NANA
Molybdenum
133800 133800
1.4.29 28th Energy Level
NANA
Molybdenum
139800 139800
1.4.30 29th Energy Level
NANA
Molybdenum
148100 148100
1.4.31 30th Energy Level
NANA
Molybdenum
154500 154500
1.5 Electrochemical Equivalent
2.45 g/amp-hr1.79 g/amp-hr
Beryllium
0.16812 8.3209
1.6 Electron Work Function
5.10 eV3.20 eV
Cesium
2.14 5.65
1.7 Other Chemical Properties
Chemical Stability, Ionization, Solubility
Chemical Stability, Corrosion, Flammable, Ionization
2 Atomic
2.1 Atomic Number
7960
Lithium
3 117
2.2 Electron Configuration
[Xe] 4f14 5d10 6s1
[Xe] 4f4 6s2
2.3 Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
2.3.1 Crystal Lattice
2.4 Atom
2.4.1 Number of Protons
7960
Lithium
3 117
2.4.2 Number of Neutrons
11884
Lithium
4 184
2.4.3 Number of Electrons
7960
Lithium
3 117
2.5 Radius of an Atom
2.5.1 Atomic Radius
151.00 pm181.00 pm
Beryllium
112 265
2.5.2 Covalent Radius
144.00 pm201.00 pm
Beryllium
96 260
2.5.3 Van der Waals Radius
166.00 pm229.00 pm
Zinc
139 348
2.6 Atomic Weight
196.97 amu144.24 amu
Lithium
6.94 294
1.2 Atomic Volume
10.20 cm3/mol20.60 cm3/mol
Manganese
1.39 71.07
1.3 Adjacent Atomic Numbers
1.3.1 Previous Element
1.3.2 Next Element
1.4 Valence Electron Potential
43.40 (-eV)43.40 (-eV)
Francium
8 392.42
1.5 Lattice Constant
407.82 pm365.80 pm
Beryllium
228.58 891.25
1.7 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.8 Lattice C/A Ratio
1.611.61
Beryllium
1.567 1.886
2 Mechanical
2.1 Density
2.1.1 Density At Room Temperature
19.30 g/cm37.01 g/cm3
Lithium
0.534 40.7
2.1.3 Density When Liquid (at m.p.)
17.31 g/cm36.89 g/cm3
Lithium
0.512 20
2.2 Tensile Strength
120.00 MPaNA
Indium
2.5 11000
2.3 Viscosity
NANA
Mercury
0.001526 0.001526
2.4 Vapor Pressure
2.4.1 Vapor Pressure at 1000 K
0.00 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
2.4.2 Vapor Pressure at 2000 K
67.00 (Pa)101.00 (Pa)
Tungsten
2.62E-10 774
2.5 Elasticity properties
2.5.1 Shear Modulus
27.00 GPa16.30 GPa
Potassium
1.3 222
2.5.2 Bulk Modulus
180.00 GPa31.80 GPa
Cesium
1.6 462
2.5.3 Young's Modulus
79.00 GPa41.40 GPa
Cesium
1.7 528
2.6 Poisson Ratio
0.400.28
Beryllium
0.032 0.47
2.7 Other Mechanical Properties
Ductile, Malleable
NA
3 Magnetic
3.1 Magnetic Characteristics
3.1.1 Specific Gravity
19.327.00
Lithium
0.53 4500
3.1.2 Magnetic Ordering
Diamagnetic
Paramagnetic
3.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
3.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
3.2 Electrical Properties
3.2.1 Electrical Property
Conductor
NA
3.2.2 Resistivity
2.20 nΩ·m643.00 nΩ·m
Thallium
0.18 961
3.2.3 Electrical Conductivity
0.45 106/cm Ω0.02 106/cm Ω
Plutonium
0.00666 0.63
3.2.4 Electron Affinity
222.80 kJ/mol50.00 kJ/mol
Mercury
0 222.8
4 Thermal
4.1 Specific Heat
0.13 J/(kg K)0.19 J/(kg K)
Americium
0.11 3.6
4.2 Molar Heat Capacity
25.42 J/mol·K27.45 J/mol·K
Beryllium
16.443 62.7
4.3 Thermal Conductivity
318.00 W/m·K16.50 W/m·K
Neptunium
6.3 429
4.4 Critical Temperature
NANA
Ytterbium
26.3 3223
4.5 Thermal Expansion
14.20 µm/(m·K)9.60 µm/(m·K)
Tungsten
4.5 97
4.6 Enthalpy
4.6.1 Enthalpy of Vaporization
324.40 kJ/mol273.00 kJ/mol
Zinc
7.32 799.1
4.6.2 Enthalpy of Fusion
12.55 kJ/mol7.14 kJ/mol
Cesium
2.1 35.23
4.6.3 Enthalpy of Atomization
364.00 kJ/mol322.00 kJ/mol
Mercury
61.5 837
4.7 Standard Molar Entropy
47.40 J/mol.K71.50 J/mol.K
Beryllium
9.5 198.1