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Cesium
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Cesium
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Barium
Atomic Structure of Cesium and Barium
Cesium
Barium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
55
56
3
117
👆🏻
Electron Configuration
[Xe] 6s
1
[Xe] 6s
2
Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
55
56
3
117
👆🏻
Number of Neutrons
78
81
4
285
👆🏻
Number of Electrons
55
56
3
117
👆🏻
Radius of an Atom
Atomic Radius
265.00 pm
222.00 pm
0
348
👆🏻
Covalent Radius
244.00 pm
215.00 pm
0
260
👆🏻
Van der Waals Radius
343.00 pm
268.00 pm
0
348
👆🏻
Atomic Weight
132.91 amu
137.33 amu
6.94
294
👆🏻
Atomic Volume
71.07 cm3/mol
39.24 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
8.62 (-eV)
21.30 (-eV)
0
392.42
👆🏻
Lattice Constant
614.10 pm
502.80 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
1.87
1.57
0.423
1.9
👆🏻
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