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Barium
Barium

Polonium
Polonium



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Barium
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Polonium

Properties of Barium and Polonium

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1 Physical
1 Melting Point
Properties of T..
725.00 °C
Rank: 58 (Overall)
254.00 °C
Rank: 71 (Overall)
Properties of Francium
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2 Boiling Point
Properties of T..
1,140.00 °C
Rank: 64 (Overall)
962.00 °C
Rank: 69 (Overall)
Properties of Flerovium
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3 Hardness
3.1 Mohs Hardness
Properties of C..
1.25
Rank: 19 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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3.2 Brinell Hardness
Properties of O..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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3.3 Vickers Hardness
Properties of T..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Palladium
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4 Optical Properties
4.1 Refractive Index
Properties of P..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Mercury
4.2 Reflectivity
Properties of S..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Molybdenum
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5 Speed of Sound
Properties of T..
1,620.00 m/s
Rank: 47 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Thallium
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6 Allotropes
No Alkaline Earth Metals Metals has it !
20% Post Transition Metals Metals have it !
6.1 α Allotropes
Not Available
α-polonium
6.2 β Allotropes
Not Available
β-polonium
6.3 γ Allotropes
Not Available
Not Available
2 Chemical
1 Chemical Formula
Ba
Po
2 Isotopes
2.1 Known Isotopes
Properties of P..
37
Rank: 2 (Overall)
29
Rank: 10 (Overall)
Properties of Tennessine
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3 Electronegativity
3.1 Pauling Electronegativity
Properties of G..
0.89
Rank: 50 (Overall)
2.00
Rank: 7 (Overall)
Properties of Francium
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3.2 Sanderson Electronegativity
Properties of C..
0.68
Rank: 28 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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3.3 Allred Rochow Electronegativity
Properties of G..
0.97
Rank: 38 (Overall)
1.76
Rank: 2 (Overall)
Properties of Cesium
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3.4 Mulliken-Jaffe Electronegativity
Properties of P..
0.88
Rank: 22 (Overall)
2.48
Rank: 1 (Overall)
Properties of Cesium
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3.5 Allen Electronegativity
Properties of B..
0.88
Rank: 43 (Overall)
2.19
Rank: 2 (Overall)
Properties of Cesium
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4 Electropositivity
4.1 Pauling Electropositivity
Properties of F..
3.11
Rank: 4 (Overall)
2.00
Rank: 46 (Overall)
Properties of Gold
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5 Ionization Energies
5.1 1st Energy Level
Properties of C..
502.90 kJ/mol
Rank: 83 (Overall)
812.10 kJ/mol
Rank: 14 (Overall)
Properties of Cesium
5.2 2nd Energy Level
Properties of C..
965.20 kJ/mol
Rank: 82 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Ruthenium
5.3 3rd Energy Level
Properties of C..
3,600.00 kJ/mol
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Osmium
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6 Electrochemical Equivalent
Properties of F..
2.56 g/amp-hr
Rank: 20 (Overall)
3.90 g/amp-hr
Rank: 8 (Overall)
Properties of Beryllium
7 Electron Work Function
Properties of P..
2.70 eV
Rank: 41 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Solubility
3 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
3.51 g/cm3
Rank: 72 (Overall)
9.20 g/cm3
Rank: 41 (Overall)
Properties of Lithium
1.2 Density When Liquid (at m.p.)
Properties of O..
3.34 g/cm3
Rank: 50 (Overall)
9.40 g/cm3
Rank: 19 (Overall)
Properties of Lithium
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2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
7.11 (Pa)
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cerium
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2.2 Vapor Pressure at 2000 K
Properties of C..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Tungsten
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3 Tensile Strength
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Indium
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4 Viscosity
Properties of M..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Mercury
5 Elasticity properties
5.1 Shear Modulus
Properties of O..
4.90 GPa
Rank: 48 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Potassium
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5.2 Bulk Modulus
Properties of O..
9.60 GPa
Rank: 45 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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5.3 Young's Modulus
Properties of I..
13.00 GPa
Rank: 50 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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6 Poisson Ratio
Properties of G..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Beryllium
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7 Other Mechanical Properties
NA
NA
4 Periodic Table
1 Symbol
Ba
Po
2 Group Number
Properties of T..
2
Rank: 16 (Overall)
16
Rank: 2 (Overall)
Properties of Gadolinium
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3 Period Number
Properties of U..
6
Rank: 2 (Overall)
6
Rank: 2 (Overall)
Properties of Lithium
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4 Block
s block
p block
5 Element Family
Alkaline Earth
Post-​Transition
5 Atomic
1 Atomic Number
Properties of T..
56
Rank: 60 (Overall)
84
Rank: 32 (Overall)
Properties of Lithium
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2 Atomic Weight
Properties of T..
137.33 amu
Rank: 54 (Overall)
209.00 amu
Rank: 28 (Overall)
Properties of Lithium
3 Atomic Volume
Properties of C..
39.24 cm3/mol
Rank: 5 (Overall)
22.23 cm3/mol
Rank: 13 (Overall)
Properties of Manganese
4 Electron Configuration
[Xe] 6s2
[Xe] 4f14 5d10 6s2 6p4
5 Valence Electron Potential
Properties of P..
21.30 (-eV)
Rank: 58 (Overall)
Not Available
Rank: 100 (Overall)
Properties of Francium
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6 Atom
6.1 Number of Protons
Properties of T..
56
Rank: 59 (Overall)
84
Rank: 32 (Overall)
Properties of Lithium
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6.2 Number of Neutrons
Properties of F..
81
Rank: 42 (Overall)
125
Rank: 19 (Overall)
Properties of Lithium
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6.3 Number of Electrons
Properties of T..
56
Rank: 59 (Overall)
84
Rank: 32 (Overall)
Properties of Lithium
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7 Crystal Structure
Body Centered Cubic (BCC)
Monoclinic (MON)
7.1 Crystal Lattice
8 Radius of an Atom
8.1 Atomic Radius
Properties of C..
222.00 pm
Rank: 4 (Overall)
168.00 pm
Rank: 23 (Overall)
Properties of Beryllium
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8.2 Covalent Radius
Properties of F..
215.00 pm
Rank: 5 (Overall)
140.00 pm
Rank: 44 (Overall)
Properties of Beryllium
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8.3 Van der Waals Radius
Properties of F..
268.00 pm
Rank: 6 (Overall)
197.00 pm
Rank: 29 (Overall)
Properties of Zinc
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9 Lattice Constant
Properties of M..
502.80 pm
Rank: 15 (Overall)
335.90 pm
Rank: 48 (Overall)
Properties of Beryllium
10 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
11 Lattice C/A Ratio
Properties of C..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Beryllium
12 Adjacent Atomic Numbers
12.1 Next Element
12.2 Previous Element
6 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
332.00 nΩ·m
Rank: 13 (Overall)
0.40 nΩ·m
Rank: 67 (Overall)
Properties of Thallium
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1.2 Electrical Conductivity
Properties of S..
0.03 106/cm Ω
Rank: 40 (Overall)
0.02 106/cm Ω
Rank: 44 (Overall)
Properties of Plutonium
1.3 Electron Affinity
Properties of G..
13.95 kJ/mol
Rank: 36 (Overall)
183.30 kJ/mol
Rank: 3 (Overall)
Properties of Mercury
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1.4 Electrical Property
Superconductor
Conductor
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
3.62
Rank: 60 (Overall)
9.32
Rank: 31 (Overall)
Properties of Lithium
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2.2 Magnetic Ordering
Paramagnetic
Nonmagnetic
2.3 Permeability
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Bismuth
2.4 Susceptibility
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Bismuth
7 Thermal
1 Specific Heat
Properties of L..
0.20 J/(kg K)
Rank: 30 (Overall)
0.12 J/(kg K)
Rank: 40 (Overall)
Properties of Americium
2 Thermal Conductivity
Properties of S..
18.40 W/m·K
Rank: 46 (Overall)
20.00 W/m·K
Rank: 44 (Overall)
Properties of Neptunium
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3 Critical Temperature
Properties of L..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Ytterbium
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4 Molar Heat Capacity
Properties of A..
28.07 J/mol·K
Rank: 12 (Overall)
26.40 J/mol·K
Rank: 28 (Overall)
Properties of Beryllium
5 Thermal Expansion
Properties of C..
20.60 µm/(m·K)
Rank: 22 (Overall)
23.50 µm/(m·K)
Rank: 16 (Overall)
Properties of Tungsten
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6 Standard Molar Entropy
Properties of P..
62.50 J/mol.K
Rank: 20 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Beryllium
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7 Enthalpy
7.1 Enthalpy of Vaporization
Properties of T..
140.00 kJ/mol
Rank: 49 (Overall)
60.30 kJ/mol
Rank: 58 (Overall)
Properties of Zinc
7.2 Enthalpy of Fusion
Properties of T..
7.66 kJ/mol
Rank: 42 (Overall)
13.00 kJ/mol
Rank: 26 (Overall)
Properties of Cesium
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7.3 Enthalpy of Atomization
Properties of T..
175.70 kJ/mol
Rank: 49 (Overall)
134.00 kJ/mol
Rank: 54 (Overall)
Properties of Mercury
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