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Californium
Californium

Beryllium
Beryllium



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Californium
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Beryllium

Californium Beryllium Comparison

1 Periodic Table
1.1 Symbol
Cf
Be
1.2 Group Number
NA2
Gadolinium Metal
0 17
1.3 Period Number
72
Lithium Metal
2 7
1.4 Block
f block
s block
1.5 Element Family
Actinide
Alkaline Earth
1.6 CAS Number
74407137440417
Aluminium Metal
7429905 54386242
1.7 Space Group Name
P63/mmc
P63/mmc
1.8 Space Group Number
194.00194.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
2.2 Sources
Made by Bombarding Curium with Helium Ions
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Louis Nicolas Vauquelin
2.3.2 Discovery
In 1950
In 1797
2.4 Abundance
2.4.1 Abundance In Universe
NA1 * 10-7 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~0.00000001 %
Palladium
1E-08 0.1
2.4.3 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NA0.00 %
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • 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.
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
3.1.1 Industrial Uses
Chemical Industry
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys, Nuclear Research
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
900.00 °C1,278.00 °C
Francium Metal
27 3410
4.2 Boiling Point
1,470.00 °C2,970.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
White Gray
4.3.3 Luster
NA
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
3.005.50
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NA590.00 MPa
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NA1,670.00 MPa
Palladium Metal
121 3430
4.5 Speed of Sound
NA12,890.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum Metal
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
Cf
Be
5.2 Isotopes
5.2.1 Known Isotopes
209
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.301.57
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NA1.81
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.201.47
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NA1.54
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NA1.58
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.702.43
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
608.00 kJ/mol899.50 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,206.00 kJ/mol1,757.10 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
2,267.00 kJ/mol14,848.70 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,599.00 kJ/mol21,006.60 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NANA
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NANA
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NANA
Iron Metal
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NANA
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NANA
Copper Metal
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
3.12 g/amp-hr0.17 g/amp-hr
Palladium
0.16812 8.3209
5.7 Electron Work Function
NA4.98 eV
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
984
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f10 7s2
[He] 2s2
6.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
984
Lithium Metal
3 117
6.4.2 Number of Neutrons
1535
Lithium Metal
4 184
6.4.3 Number of Electrons
984
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
186.00 pm112.00 pm
Palladium
112 265
6.5.2 Covalent Radius
NA96.00 pm
Palladium
96 260
6.5.3 Van der Waals Radius
NA153.00 pm
Zinc Metal
139 348
6.6 Atomic Weight
251.00 amu9.01 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
NA5.00 cm3/mol
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
44.50 (-eV)82.00 (-eV)
Francium Metal
8 392.42
6.10 Lattice Constant
338.00 pm228.58 pm
Palladium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
6.12 Lattice C/A Ratio
NA1.57
Cadmium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
15.10 g/cm31.85 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NA1.69 g/cm3
Lithium Metal
0.512 20
7.2 Tensile Strength
NANA
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA132.00 GPa
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NA130.00 GPa
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NA287.00 GPa
Cesium Metal
1.7 528
7.6 Poisson Ratio
NA0.03
Iron
0.032 0.47
7.7 Other Mechanical Properties
Malleable, Sectile
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
15.101.85
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Diamagnetic
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Unknown
Semiconductor
8.2.2 Resistivity
NA36.00 nΩ·m
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
NA0.31 106/cm Ω
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
NA0.00 kJ/mol
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
NA1.82 J/(kg K)
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
NA16.44 J/mol·K
Palladium
16.443 62.7
9.3 Thermal Conductivity
NA200.00 W/m·K
Neptunium Metal
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
NA11.30 µm/(m·K)
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
NA294.70 kJ/mol
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
NA11.72 kJ/mol
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
NA326.40 kJ/mol
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
NA9.50 J/mol.K
Palladium
9.5 198.1