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Barium
Barium

Beryllium
Beryllium



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Beryllium

Barium Beryllium Comparison

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1 Periodic Table
1.1 Symbol
Ba
Be
1.2 Group Number
22
Gadolinium Metal
0 17
1.3 Period Number
62
Lithium Metal
2 7
1.4 Block
s block
s block
1.5 Element Family
Alkaline Earth
Alkaline Earth
1.6 CAS Number
74403937440417
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Im_ 3m
P63/mmc
1.8 Space Group Number
229.00194.00
Plutonium Metal
11 229
2 Facts
2.1 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.
  • 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
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Carl Wilhelm Scheele
Louis Nicolas Vauquelin
2.3.2 Discovery
In 1772
In 1797
2.4 Abundance
2.4.1 Abundance In Universe
1 * 10-6 %1 * 10-7 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~0.000001 %~0.00000001 %
Palladium
1E-08 0.1
2.4.4 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
3.2.4 Abundance In Earth's Crust
0.03 %0.00 %
Radium Metal
9.9E-12 8.1
3.2.6 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
4.1.1 Abundance In Humans
0.00 %0.00 %
Radium Metal
1E-13 1.4
5 Uses
5.1 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.
  • 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.
5.1.1 Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
5.1.2 Medical Uses
NA
NA
5.1.3 Other Uses
Alloys
Alloys
5.2 Biological Properties
5.2.1 Toxicity
Low Toxic
Toxic
5.2.2 Present in Human Body
5.2.3 In Blood
0.07 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
5.2.4 In Bone
70.00 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
6 Physical
6.1 Melting Point
725.00 °C1,278.00 °C
Francium Metal
27 3410
6.2 Boiling Point
1,140.00 °C2,970.00 °C
Flerovium Metal
147 5660
6.3 Appearance
6.3.1 Physical State
Solid
Solid
6.3.2 Color
Silvery Gray
White Gray
6.3.3 Luster
NA
Metallic
6.4 Hardness
6.4.1 Mohs Hardness
1.255.50
Cesium Metal
0.2 8.5
6.5.1 Brinell Hardness
NA590.00 MPa
Cesium Metal
0.14 3490
6.6.2 Vickers Hardness
NA1,670.00 MPa
Palladium Metal
121 3430
6.7 Speed of Sound
1,620.00 m/s12,890.00 m/s
Thallium Metal
818 16200
7.3 Optical Properties
7.3.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
7.4.2 Reflectivity
NANA
Molybdenum Metal
58 97
7.5 Allotropes
7.5.1 α Allotropes
Not Available
Not Available
7.5.2 β Allotropes
Not Available
Not Available
7.5.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Ba
Be
8.2 Isotopes
8.2.1 Known Isotopes
379
Tennessine Metal
0 38
8.3 Electronegativity
8.3.1 Pauling Electronegativity
0.891.57
Francium Metal
0.7 2.54
8.3.3 Sanderson Electronegativity
0.681.81
Cesium Metal
0.22 2.56
8.3.5 Allred Rochow Electronegativity
0.971.47
Cesium Metal
0.86 1.82
8.3.7 Mulliken-Jaffe Electronegativity
0.881.54
Cesium Metal
0.62 2.48
8.4.2 Allen Electronegativity
0.881.58
Cesium Metal
0.659 2.7
8.6 Electropositivity
8.6.1 Pauling Electropositivity
3.112.43
Gold Metal
1.46 3.3
8.7 Ionization Energies
8.7.1 1st Energy Level
502.90 kJ/mol899.50 kJ/mol
Cesium Metal
375.7 26130
8.7.2 2nd Energy Level
965.20 kJ/mol1,757.10 kJ/mol
Ruthenium Metal
710.2162 28750
8.7.4 3rd Energy Level
3,600.00 kJ/mol14,848.70 kJ/mol
Osmium Metal
1600 34230
8.7.6 4th Energy Level
NA21,006.60 kJ/mol
Thorium Metal
2780 37066
8.7.8 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
8.7.10 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
8.7.12 7th Energy level
NANA
Bohrium Metal
7226.8 114300
8.7.14 8th Energy Level
NANA
Hassium Metal
8857.4 125300
8.7.16 9th Energy Level
NANA
Yttrium Metal
14110 134700
8.7.17 10th Energy Level
NANA
Strontium Metal
17100 144300
8.7.19 11th Energy Level
NANA
Yttrium Metal
19900 169988
8.7.21 12th Energy Level
NANA
Molybdenum Metal
22219 189368
8.7.23 13th Energy Level
NANA
Molybdenum Metal
26930 76015
8.7.25 14th Energy Level
NANA
Molybdenum Metal
29196 86450
8.7.27 15th Energy Level
NANA
Manganese Metal
41987 97510
8.7.29 16th Energy Level
NANA
Iron Metal
47206 109480
8.7.31 17th Energy Level
NANA
Cobalt Metal
52737 122200
8.7.32 18th Energy Level
NANA
Nickel Metal
58570 134810
8.7.34 19th Energy Level
NANA
Copper Metal
64702 148700
8.7.36 20th Energy Level
NANA
Molybdenum Metal
80400 171200
8.7.38 21st Energy Level
NANA
Molybdenum Metal
87000 179100
8.7.40 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
8.7.42 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
8.7.44 24th Energy Level
NANA
Molybdenum Metal
104400 195200
8.7.46 25th Energy Level
NANA
Molybdenum Metal
121900 121900
8.7.47 26th Energy Level
NANA
Molybdenum Metal
127700 127700
8.7.49 27th Energy Level
NANA
Molybdenum Metal
133800 133800
8.7.51 28th Energy Level
NANA
Molybdenum Metal
139800 139800
8.7.53 29th Energy Level
NANA
Molybdenum Metal
148100 148100
8.7.55 30th Energy Level
NANA
Molybdenum Metal
154500 154500
8.8 Electrochemical Equivalent
2.56 g/amp-hr0.17 g/amp-hr
Palladium
0.16812 8.3209
8.10 Electron Work Function
2.70 eV4.98 eV
Cesium Metal
2.14 5.65
8.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes
9 Atomic
9.1 Atomic Number
564
Lithium Metal
3 117
10.2 Electron Configuration
[Xe] 6s2
[He] 2s2
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
564
Lithium Metal
3 117
10.4.2 Number of Neutrons
815
Lithium Metal
4 184
10.7.3 Number of Electrons
564
Lithium Metal
3 117
10.8 Radius of an Atom
10.8.1 Atomic Radius
222.00 pm112.00 pm
Palladium
112 265
10.8.2 Covalent Radius
215.00 pm96.00 pm
Palladium
96 260
10.8.3 Van der Waals Radius
268.00 pm153.00 pm
Zinc Metal
139 348
10.10 Atomic Weight
137.33 amu9.01 amu
Lithium Metal
6.94 294
10.11 Atomic Volume
39.24 cm3/mol5.00 cm3/mol
Manganese Metal
1.39 71.07
10.13 Adjacent Atomic Numbers
10.13.1 Previous Element
10.13.2 Next Element
10.14 Valence Electron Potential
21.30 (-eV)82.00 (-eV)
Francium Metal
8 392.42
10.16 Lattice Constant
502.80 pm228.58 pm
Palladium
228.58 891.25
10.19 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.20 Lattice C/A Ratio
NA1.57
Cadmium Metal
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
3.51 g/cm31.85 g/cm3
Lithium Metal
0.534 40.7
11.2.1 Density When Liquid (at m.p.)
3.34 g/cm31.69 g/cm3
Lithium Metal
0.512 20
12.2 Tensile Strength
NANA
Indium Metal
2.5 11000
12.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
7.11 (Pa)0.00 (Pa)
Cerium Metal
2.47E-11 121
12.4.2 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
12.6 Elasticity properties
12.6.1 Shear Modulus
4.90 GPa132.00 GPa
Potassium Metal
1.3 222
12.8.2 Bulk Modulus
9.60 GPa130.00 GPa
Cesium Metal
1.6 462
12.8.4 Young's Modulus
13.00 GPa287.00 GPa
Cesium Metal
1.7 528
12.10 Poisson Ratio
NA0.03
Iron
0.032 0.47
12.11 Other Mechanical Properties
NA
NA
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
3.621.85
Lithium Metal
0.53 4500
13.1.3 Magnetic Ordering
Paramagnetic
Diamagnetic
13.1.4 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
13.1.6 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
13.2 Electrical Properties
13.2.1 Electrical Property
Superconductor
Semiconductor
13.2.2 Resistivity
332.00 nΩ·m36.00 nΩ·m
Thallium Metal
0.18 961
13.3.1 Electrical Conductivity
0.03 106/cm Ω0.31 106/cm Ω
Plutonium Metal
0.00666 0.63
14.1.3 Electron Affinity
13.95 kJ/mol0.00 kJ/mol
Mercury Metal
0 222.8
15 Thermal
15.1 Specific Heat
0.20 J/(kg K)1.82 J/(kg K)
Americium Metal
0.11 3.6
15.3 Molar Heat Capacity
28.07 J/mol·K16.44 J/mol·K
Palladium
16.443 62.7
15.4 Thermal Conductivity
18.40 W/m·K200.00 W/m·K
Neptunium Metal
6.3 429
15.5 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
15.6 Thermal Expansion
20.60 µm/(m·K)11.30 µm/(m·K)
Tungsten Metal
4.5 97
16.2 Enthalpy
16.2.1 Enthalpy of Vaporization
140.00 kJ/mol294.70 kJ/mol
Zinc Metal
7.32 799.1
16.3.1 Enthalpy of Fusion
7.66 kJ/mol11.72 kJ/mol
Cesium Metal
2.1 35.23
16.4.1 Enthalpy of Atomization
175.70 kJ/mol326.40 kJ/mol
Mercury Metal
61.5 837
16.6 Standard Molar Entropy
62.50 J/mol.K9.50 J/mol.K
Palladium
9.5 198.1