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Barium
Barium

Neodymium
Neodymium



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Neodymium

Barium Neodymium Comparison

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1 Periodic Table
1.1 Symbol
Ba
Nd
1.2 Group Number
21
Gadolinium Metal
0 17
3.2 Period Number
66
Lithium Metal
2 7
3.4 Block
s block
f block
4.2 Element Family
Alkaline Earth
Lanthanide
4.3 CAS Number
74403937440008
Aluminium Metal
7429905 54386242
5.4 Space Group Name
Im_ 3m
P63/mmc
5.5 Space Group Number
229.00194.00
Plutonium Metal
11 229
6 Facts
6.1 Interesting Facts
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
7.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
7.3 History
7.3.1 Who Discovered
Carl Wilhelm Scheele
Carl Auer von Welsbach
7.4.2 Discovery
In 1772
In 1885
7.5 Abundance
7.5.1 Abundance In Universe
1 * 10-6 %1 * 10-6 %
Thallium Metal
5E-09 0.11
7.8.2 Abundance In Sun
~0.000001 %~0.0000003 %
Beryllium Metal
1E-08 0.1
7.9.3 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
7.13.3 Abundance In Earth's Crust
0.03 %0.00 %
Radium Metal
9.9E-12 8.1
8.3.2 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
8.4.4 Abundance In Humans
0.00 %NA
Radium Metal
1E-13 1.4
10 Uses
10.1 Uses & Benefits
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  • Neodymium-Iron-boron alloy is used to make permanent magnets.
  • It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
10.1.1 Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Electrical Industry, Electronic Industry
10.1.2 Medical Uses
NA
NA
10.1.3 Other Uses
Alloys
Alloys
10.2 Biological Properties
10.2.1 Toxicity
Low Toxic
Non Toxic
10.2.2 Present in Human Body
10.2.3 In Blood
0.07 Blood/mg dm-3NA
Plutonium Metal
0 1970
10.4.2 In Bone
70.00 p.p.m.NA
Plutonium Metal
0 170000
11 Physical
11.1 Melting Point
725.00 °C1,010.00 °C
Francium Metal
27 3410
12.3 Boiling Point
1,140.00 °C3,127.00 °C
Flerovium Metal
147 5660
12.6 Appearance
12.6.1 Physical State
Solid
Solid
12.6.2 Color
Silvery Gray
Silvery White
12.6.3 Luster
NA
Metallic
12.8 Hardness
12.8.1 Mohs Hardness
1.25NA
Cesium Metal
0.2 8.5
12.8.5 Brinell Hardness
NA265.00 MPa
Cesium Metal
0.14 3490
12.9.2 Vickers Hardness
NA345.00 MPa
Palladium Metal
121 3430
12.11 Speed of Sound
1,620.00 m/s2,330.00 m/s
Thallium Metal
818 16200
12.12 Optical Properties
12.12.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
12.13.3 Reflectivity
NANA
Molybdenum Metal
58 97
12.14 Allotropes
12.15.2 α Allotropes
Not Available
Not Available
12.15.3 β Allotropes
Not Available
Not Available
12.15.4 γ Allotropes
Not Available
Not Available
13 Chemical
13.1 Chemical Formula
Ba
Nd
13.2 Isotopes
13.2.1 Known Isotopes
3730
Tennessine Metal
0 38
13.3 Electronegativity
13.3.1 Pauling Electronegativity
0.891.14
Francium Metal
0.7 2.54
13.3.6 Sanderson Electronegativity
0.68NA
Cesium Metal
0.22 2.56
13.3.13 Allred Rochow Electronegativity
0.971.07
Cesium Metal
0.86 1.82
13.3.19 Mulliken-Jaffe Electronegativity
0.88NA
Cesium Metal
0.62 2.48
13.3.26 Allen Electronegativity
0.88NA
Cesium Metal
0.659 2.7
13.4 Electropositivity
13.4.1 Pauling Electropositivity
3.112.86
Gold Metal
1.46 3.3
13.5 Ionization Energies
13.5.1 1st Energy Level
502.90 kJ/mol533.10 kJ/mol
Cesium Metal
375.7 26130
13.5.9 2nd Energy Level
965.20 kJ/mol1,040.00 kJ/mol
Ruthenium Metal
710.2162 28750
13.6.4 3rd Energy Level
3,600.00 kJ/mol2,130.00 kJ/mol
Osmium Metal
1600 34230
14.1.2 4th Energy Level
NA3,900.00 kJ/mol
Thorium Metal
2780 37066
14.6.2 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
15.1.3 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
15.5.5 7th Energy level
NANA
Bohrium Metal
7226.8 114300
15.6.2 8th Energy Level
NANA
Hassium Metal
8857.4 125300
15.8.3 9th Energy Level
NANA
Yttrium Metal
14110 134700
15.11.1 10th Energy Level
NANA
Strontium Metal
17100 144300
16.1.2 11th Energy Level
NANA
Yttrium Metal
19900 169988
16.4.2 12th Energy Level
NANA
Molybdenum Metal
22219 189368
17.2.1 13th Energy Level
NANA
Molybdenum Metal
26930 76015
17.5.2 14th Energy Level
NANA
Molybdenum Metal
29196 86450
17.7.4 15th Energy Level
NANA
Manganese Metal
41987 97510
17.9.2 16th Energy Level
NANA
Iron Metal
47206 109480
18.1.6 17th Energy Level
NANA
Cobalt Metal
52737 122200
18.1.10 18th Energy Level
NANA
Nickel Metal
58570 134810
19.1.4 19th Energy Level
NANA
Copper Metal
64702 148700
19.1.10 20th Energy Level
NANA
Molybdenum Metal
80400 171200
20.2.4 21st Energy Level
NANA
Molybdenum Metal
87000 179100
20.5.1 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
20.6.1 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
21.2.1 24th Energy Level
NANA
Molybdenum Metal
104400 195200
21.4.2 25th Energy Level
NANA
Molybdenum Metal
121900 121900
22.2.1 26th Energy Level
NANA
Molybdenum Metal
127700 127700
22.4.1 27th Energy Level
NANA
Molybdenum Metal
133800 133800
22.8.2 28th Energy Level
NANA
Molybdenum Metal
139800 139800
22.8.4 29th Energy Level
NANA
Molybdenum Metal
148100 148100
22.8.6 30th Energy Level
NANA
Molybdenum Metal
154500 154500
22.9 Electrochemical Equivalent
2.56 g/amp-hr1.79 g/amp-hr
Beryllium Metal
0.16812 8.3209
22.10 Electron Work Function
2.70 eV3.20 eV
Cesium Metal
2.14 5.65
22.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Corrosion, Flammable, Ionization
23 Atomic
23.1 Atomic Number
5660
Lithium Metal
3 117
23.2 Electron Configuration
[Xe] 6s2
[Xe] 4f4 6s2
23.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
23.3.1 Crystal Lattice
23.4 Atom
23.4.1 Number of Protons
5660
Lithium Metal
3 117
23.5.2 Number of Neutrons
8184
Lithium Metal
4 184
23.5.4 Number of Electrons
5660
Lithium Metal
3 117
23.6 Radius of an Atom
23.6.1 Atomic Radius
222.00 pm181.00 pm
Beryllium Metal
112 265
23.6.3 Covalent Radius
215.00 pm201.00 pm
Beryllium Metal
96 260
23.6.4 Van der Waals Radius
268.00 pm229.00 pm
Zinc Metal
139 348
23.8 Atomic Weight
137.33 amu144.24 amu
Lithium Metal
6.94 294
23.9 Atomic Volume
39.24 cm3/mol20.60 cm3/mol
Manganese Metal
1.39 71.07
23.11 Adjacent Atomic Numbers
23.11.1 Previous Element
23.11.2 Next Element
23.12 Valence Electron Potential
21.30 (-eV)43.40 (-eV)
Francium Metal
8 392.42
23.13 Lattice Constant
502.80 pm365.80 pm
Beryllium Metal
228.58 891.25
23.16 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
23.17 Lattice C/A Ratio
NA1.61
Beryllium Metal
1.567 1.886
24 Mechanical
24.1 Density
24.1.1 Density At Room Temperature
3.51 g/cm37.01 g/cm3
Lithium Metal
0.534 40.7
24.1.2 Density When Liquid (at m.p.)
3.34 g/cm36.89 g/cm3
Lithium Metal
0.512 20
24.3 Tensile Strength
NANA
Indium Metal
2.5 11000
24.4 Viscosity
NANA
Mercury Metal
0.001526 0.001526
24.7 Vapor Pressure
24.7.1 Vapor Pressure at 1000 K
7.11 (Pa)0.00 (Pa)
Cerium Metal
2.47E-11 121
25.1.2 Vapor Pressure at 2000 K
NA101.00 (Pa)
Tungsten Metal
2.62E-10 774
25.2 Elasticity properties
25.2.1 Shear Modulus
4.90 GPa16.30 GPa
Potassium Metal
1.3 222
25.2.2 Bulk Modulus
9.60 GPa31.80 GPa
Cesium Metal
1.6 462
25.2.4 Young's Modulus
13.00 GPa41.40 GPa
Cesium Metal
1.7 528
25.3 Poisson Ratio
NA0.28
Beryllium Metal
0.032 0.47
25.5 Other Mechanical Properties
NA
NA
26 Magnetic
26.1 Magnetic Characteristics
26.1.1 Specific Gravity
3.627.00
Lithium Metal
0.53 4500
26.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
26.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
26.2.1 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
26.4 Electrical Properties
26.4.1 Electrical Property
Superconductor
NA
26.4.2 Resistivity
332.00 nΩ·m643.00 nΩ·m
Thallium Metal
0.18 961
26.4.3 Electrical Conductivity
0.03 106/cm Ω0.02 106/cm Ω
Plutonium Metal
0.00666 0.63
26.4.5 Electron Affinity
13.95 kJ/mol50.00 kJ/mol
Mercury Metal
0 222.8
27 Thermal
27.1 Specific Heat
0.20 J/(kg K)0.19 J/(kg K)
Americium Metal
0.11 3.6
27.3 Molar Heat Capacity
28.07 J/mol·K27.45 J/mol·K
Beryllium Metal
16.443 62.7
27.4 Thermal Conductivity
18.40 W/m·K16.50 W/m·K
Neptunium Metal
6.3 429
27.5 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
27.6 Thermal Expansion
20.60 µm/(m·K)9.60 µm/(m·K)
Tungsten Metal
4.5 97
27.7 Enthalpy
27.7.1 Enthalpy of Vaporization
140.00 kJ/mol273.00 kJ/mol
Zinc Metal
7.32 799.1
27.7.2 Enthalpy of Fusion
7.66 kJ/mol7.14 kJ/mol
Cesium Metal
2.1 35.23
27.8.1 Enthalpy of Atomization
175.70 kJ/mol322.00 kJ/mol
Mercury Metal
61.5 837
28.2 Standard Molar Entropy
62.50 J/mol.K71.50 J/mol.K
Beryllium Metal
9.5 198.1