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Niobium
Niobium

Californium
Californium



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Niobium
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Californium

Niobium Californium Comparison

1 Periodic Table
1.1 Symbol
Nb
Cf
1.2 Group Number
5NA
Gadolinium Metal
0 17
1.3 Period Number
57
Lithium Metal
2 7
1.5 Block
d block
f block
1.6 Element Family
Transition Metal
Actinide
1.7 CAS Number
74400317440713
Aluminium Metal
7429905 54386242
1.8 Space Group Name
Im_ 3m
P63/mmc
1.9 Space Group Number
229.00194.00
Plutonium Metal
11 229
3 Facts
3.1 Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
3.2 Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Made by Bombarding Curium with Helium Ions
3.3 History
3.3.1 Who Discovered
Charles Hatchett
Lawrence Berkeley National Laboratory
3.3.2 Discovery
In 1801
In 1950
3.4 Abundance
3.4.1 Abundance In Universe
2 * 10-7 %NA
Thallium Metal
5E-09 0.11
3.4.4 Abundance In Sun
~0.0000004 %~-9999 %
Beryllium Metal
1E-08 0.1
3.5.3 Abundance In Meteorites
0.00 %NA
Gold Metal
1.7E-07 22
3.5.5 Abundance In Earth's Crust
0.00 %NA
Radium Metal
9.9E-12 8.1
3.5.9 Abundance In Oceans
0.00 %NA
Protactinium Metal
2E-23 1.1
3.5.11 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
4 Uses
4.1 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.
  • Californium metal has a very strong neutron emitter. It is used as a metal detector.
  • It also used as an identifier to check Water and oil layers in oil wells.
4.1.1 Industrial Uses
Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry
Chemical Industry
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys
Alloys, Nuclear Research
4.2 Biological Properties
4.2.1 Toxicity
Low Toxic
Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
0.01 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
4.2.7 In Bone
0.07 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
5 Physical
5.1 Melting Point
2,468.00 °C900.00 °C
Francium Metal
27 3410
5.3 Boiling Point
2,468.00 °C1,470.00 °C
Flerovium Metal
147 5660
5.5 Appearance
5.5.1 Physical State
Solid
Solid
5.5.2 Color
Gray
Silver
5.5.3 Luster
Metallic
NA
5.6 Hardness
5.6.1 Mohs Hardness
6.003.00
Cesium Metal
0.2 8.5
6.4.2 Brinell Hardness
735.00 MPaNA
Cesium Metal
0.14 3490
6.4.3 Vickers Hardness
870.00 MPaNA
Palladium Metal
121 3430
6.6 Speed of Sound
3,480.00 m/sNA
Thallium Metal
818 16200
6.9 Optical Properties
6.9.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
6.9.5 Reflectivity
NANA
Molybdenum Metal
58 97
6.11 Allotropes
6.11.1 α Allotropes
Not Available
Not Available
6.11.2 β Allotropes
Not Available
Not Available
6.11.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
Nb
Cf
7.2 Isotopes
7.2.1 Known Isotopes
1720
Tennessine Metal
0 38
7.6 Electronegativity
7.6.1 Pauling Electronegativity
1.601.30
Francium Metal
0.7 2.54
7.9.1 Sanderson Electronegativity
1.42NA
Cesium Metal
0.22 2.56
8.1.2 Allred Rochow Electronegativity
1.231.20
Cesium Metal
0.86 1.82
8.1.5 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
8.1.6 Allen Electronegativity
1.41NA
Cesium Metal
0.659 2.7
8.4 Electropositivity
8.4.1 Pauling Electropositivity
2.402.70
Gold Metal
1.46 3.3
8.6 Ionization Energies
8.6.1 1st Energy Level
652.10 kJ/mol608.00 kJ/mol
Cesium Metal
375.7 26130
8.6.3 2nd Energy Level
1,380.00 kJ/mol1,206.00 kJ/mol
Ruthenium Metal
710.2162 28750
8.6.5 3rd Energy Level
2,416.00 kJ/mol2,267.00 kJ/mol
Osmium Metal
1600 34230
8.7.3 4th Energy Level
3,700.00 kJ/mol3,599.00 kJ/mol
Thorium Metal
2780 37066
8.7.5 5th Energy Level
4,877.00 kJ/molNA
Dubnium Metal
4305.2 97510
8.7.8 6th Energy Level
9,847.00 kJ/molNA
Seaborgium Metal
5715.8 105800
8.7.9 7th Energy level
12,100.00 kJ/molNA
Bohrium Metal
7226.8 114300
8.8.1 8th Energy Level
NANA
Hassium Metal
8857.4 125300
9.1.3 9th Energy Level
NANA
Yttrium Metal
14110 134700
9.1.6 10th Energy Level
NANA
Strontium Metal
17100 144300
9.1.8 11th Energy Level
NANA
Yttrium Metal
19900 169988
9.2.3 12th Energy Level
NANA
Molybdenum Metal
22219 189368
9.2.5 13th Energy Level
NANA
Molybdenum Metal
26930 76015
9.2.7 14th Energy Level
NANA
Molybdenum Metal
29196 86450
9.2.10 15th Energy Level
NANA
Manganese Metal
41987 97510
9.2.12 16th Energy Level
NANA
Iron Metal
47206 109480
10.1.1 17th Energy Level
NANA
Cobalt Metal
52737 122200
10.2.1 18th Energy Level
NANA
Nickel Metal
58570 134810
10.3.1 19th Energy Level
NANA
Copper Metal
64702 148700
10.3.3 20th Energy Level
NANA
Molybdenum Metal
80400 171200
10.4.1 21st Energy Level
NANA
Molybdenum Metal
87000 179100
10.5.1 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
10.5.3 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
10.6.2 24th Energy Level
NANA
Molybdenum Metal
104400 195200
10.6.4 25th Energy Level
NANA
Molybdenum Metal
121900 121900
10.6.7 26th Energy Level
NANA
Molybdenum Metal
127700 127700
10.6.9 27th Energy Level
NANA
Molybdenum Metal
133800 133800
10.6.12 28th Energy Level
NANA
Molybdenum Metal
139800 139800
10.6.14 29th Energy Level
NANA
Molybdenum Metal
148100 148100
10.7.2 30th Energy Level
NANA
Molybdenum Metal
154500 154500
10.8 Electrochemical Equivalent
0.69 g/amp-hr3.12 g/amp-hr
Beryllium Metal
0.16812 8.3209
10.9 Electron Work Function
4.30 eVNA
Cesium Metal
2.14 5.65
10.10 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
11 Atomic
11.1 Atomic Number
4198
Lithium Metal
3 117
11.2 Electron Configuration
[Kr] 4d4 5s1
[Rn] 5f10 7s2
11.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
11.3.1 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
4198
Lithium Metal
3 117
11.5.1 Number of Neutrons
52153
Lithium Metal
4 184
11.6.1 Number of Electrons
4198
Lithium Metal
3 117
12.2 Radius of an Atom
12.2.1 Atomic Radius
146.00 pm186.00 pm
Beryllium Metal
112 265
12.5.2 Covalent Radius
164.00 pmNA
Beryllium Metal
96 260
12.5.3 Van der Waals Radius
200.00 pmNA
Zinc Metal
139 348
12.6 Atomic Weight
92.91 amu251.00 amu
Lithium Metal
6.94 294
12.7 Atomic Volume
10.87 cm3/molNA
Manganese Metal
1.39 71.07
12.9 Adjacent Atomic Numbers
12.9.1 Previous Element
12.9.2 Next Element
12.10 Valence Electron Potential
104.00 (-eV)44.50 (-eV)
Francium Metal
8 392.42
12.11 Lattice Constant
330.04 pm338.00 pm
Beryllium Metal
228.58 891.25
12.12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
12.13 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
8.57 g/cm315.10 g/cm3
Lithium Metal
0.534 40.7
13.2.1 Density When Liquid (at m.p.)
NANA
Lithium Metal
0.512 20
13.3 Tensile Strength
330.00 MPaNA
Indium Metal
2.5 11000
13.6 Viscosity
NANA
Mercury Metal
0.001526 0.001526
13.8 Vapor Pressure
13.8.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
13.10.1 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten Metal
2.62E-10 774
14.2 Elasticity properties
14.2.1 Shear Modulus
38.00 GPaNA
Potassium Metal
1.3 222
14.2.3 Bulk Modulus
170.00 GPaNA
Cesium Metal
1.6 462
14.2.4 Young's Modulus
105.00 GPaNA
Cesium Metal
1.7 528
14.4 Poisson Ratio
0.40NA
Beryllium Metal
0.032 0.47
14.6 Other Mechanical Properties
Ductile, Malleable
Malleable, Sectile
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
8.5715.10
Lithium Metal
0.53 4500
15.2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
15.2.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
15.2.5 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
15.4 Electrical Properties
15.4.1 Electrical Property
Conductor
Unknown
15.4.2 Resistivity
152.00 nΩ·mNA
Thallium Metal
0.18 961
15.4.3 Electrical Conductivity
0.07 106/cm ΩNA
Plutonium Metal
0.00666 0.63
15.4.5 Electron Affinity
86.10 kJ/molNA
Mercury Metal
0 222.8
16 Thermal
16.1 Specific Heat
0.26 J/(kg K)NA
Americium Metal
0.11 3.6
16.3 Molar Heat Capacity
24.60 J/mol·KNA
Beryllium Metal
16.443 62.7
17.2 Thermal Conductivity
53.70 W/m·KNA
Neptunium Metal
6.3 429
17.3 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
17.4 Thermal Expansion
7.30 µm/(m·K)NA
Tungsten Metal
4.5 97
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
696.60 kJ/molNA
Zinc Metal
7.32 799.1
17.6.3 Enthalpy of Fusion
27.20 kJ/molNA
Cesium Metal
2.1 35.23
17.6.5 Enthalpy of Atomization
745.00 kJ/molNA
Mercury Metal
61.5 837
18.1 Standard Molar Entropy
36.40 J/mol.KNA
Beryllium Metal
9.5 198.1