1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Alkaline Earth
Alkaline Earth
1.6 CAS Number
74403937440417
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
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
2.4 Abundance
2.4.1 Abundance In Universe
1 * 10-6 %1 * 10-7 %
5E-09
0.11
2.4.2 Abundance In Sun
~0.000001 %~0.00000001 %
1E-08
0.1
2.4.4 Abundance In Meteorites
3.2.4 Abundance In Earth's Crust
3.2.6 Abundance In Oceans
4.1.1 Abundance In Humans
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
5.1.3 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.07 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.2.4 In Bone
70.00 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
725.00 °C1,278.00 °C
27
3410
6.2 Boiling Point
1,140.00 °C2,970.00 °C
147
5660
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.5.1 Brinell Hardness
6.6.2 Vickers Hardness
6.7 Speed of Sound
1,620.00 m/s12,890.00 m/s
818
16200
7.3 Optical Properties
7.3.1 Refractive Index
7.4.2 Reflectivity
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
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.3.3 Sanderson Electronegativity
8.3.5 Allred Rochow Electronegativity
8.3.7 Mulliken-Jaffe Electronegativity
8.4.2 Allen Electronegativity
8.6 Electropositivity
8.6.1 Pauling Electropositivity
8.7 Ionization Energies
8.7.1 1st Energy Level
502.90 kJ/mol899.50 kJ/mol
375.7
26130
8.7.2 2nd Energy Level
965.20 kJ/mol1,757.10 kJ/mol
710.2162
28750
8.7.4 3rd Energy Level
3,600.00 kJ/mol14,848.70 kJ/mol
1600
34230
8.7.6 4th Energy Level
NA21,006.60 kJ/mol
2780
37066
8.7.8 5th Energy Level
8.7.10 6th Energy Level
8.7.12 7th Energy level
8.7.14 8th Energy Level
8.7.16 9th Energy Level
8.7.17 10th Energy Level
8.7.19 11th Energy Level
8.7.21 12th Energy Level
8.7.23 13th Energy Level
8.7.25 14th Energy Level
8.7.27 15th Energy Level
8.7.29 16th Energy Level
8.7.31 17th Energy Level
8.7.32 18th Energy Level
8.7.34 19th Energy Level
8.7.36 20th Energy Level
8.7.38 21st Energy Level
8.7.40 22nd Energy Level
8.7.42 23rd Energy Level
8.7.44 24th Energy Level
8.7.46 25th Energy Level
8.7.47 26th Energy Level
8.7.49 27th Energy Level
8.7.51 28th Energy Level
8.7.53 29th Energy Level
8.7.55 30th Energy Level
8.8 Electrochemical Equivalent
2.56 g/amp-hr0.17 g/amp-hr
0.16812
8.3209
8.10 Electron Work Function
8.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes
9 Atomic
9.1 Atomic Number
10.2 Electron Configuration
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
10.4.2 Number of Neutrons
10.7.3 Number of Electrons
10.8 Radius of an Atom
10.8.1 Atomic Radius
222.00 pm112.00 pm
112
265
10.8.2 Covalent Radius
10.8.3 Van der Waals Radius
268.00 pm153.00 pm
139
348
10.10 Atomic Weight
137.33 amu9.01 amu
6.94
294
10.11 Atomic Volume
39.24 cm3/mol5.00 cm3/mol
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)
8
392.42
10.16 Lattice Constant
502.80 pm228.58 pm
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
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
3.51 g/cm31.85 g/cm3
0.534
40.7
11.2.1 Density When Liquid (at m.p.)
3.34 g/cm31.69 g/cm3
0.512
20
12.2 Tensile Strength
12.3 Viscosity
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
7.11 (Pa)0.00 (Pa)
2.47E-11
121
12.4.2 Vapor Pressure at 2000 K
12.6 Elasticity properties
12.6.1 Shear Modulus
4.90 GPa132.00 GPa
1.3
222
12.8.2 Bulk Modulus
9.60 GPa130.00 GPa
1.6
462
12.8.4 Young's Modulus
13.00 GPa287.00 GPa
1.7
528
12.10 Poisson Ratio
12.11 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.3 Magnetic Ordering
13.1.4 Permeability
13.1.6 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
Superconductor
Semiconductor
13.2.2 Resistivity
332.00 nΩ·m36.00 nΩ·m
0.18
961
13.3.1 Electrical Conductivity
0.03 106/cm Ω0.31 106/cm Ω
0.00666
0.63
14.1.3 Electron Affinity
13.95 kJ/mol0.00 kJ/mol
0
222.8
15 Thermal
15.1 Specific Heat
0.20 J/(kg K)1.82 J/(kg K)
0.11
3.6
15.3 Molar Heat Capacity
28.07 J/mol·K16.44 J/mol·K
16.443
62.7
15.4 Thermal Conductivity
18.40 W/m·K200.00 W/m·K
6.3
429
15.5 Critical Temperature
15.6 Thermal Expansion
20.60 µm/(m·K)11.30 µm/(m·K)
4.5
97
16.2 Enthalpy
16.2.1 Enthalpy of Vaporization
140.00 kJ/mol294.70 kJ/mol
7.32
799.1
16.3.1 Enthalpy of Fusion
7.66 kJ/mol11.72 kJ/mol
2.1
35.23
16.4.1 Enthalpy of Atomization
175.70 kJ/mol326.40 kJ/mol
61.5
837
16.6 Standard Molar Entropy
62.50 J/mol.K9.50 J/mol.K
9.5
198.1