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Yttrium
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Yttrium
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Cesium
Atomic Structure of Yttrium and Cesium
Yttrium
Cesium
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Summary
Periodic Table
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Atomic
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Atomic
Atomic Number
39
55
3
117
👆🏻
Electron Configuration
[Kr] 4d
1
5s
2
[Xe] 6s
1
Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
39
55
3
117
👆🏻
Number of Neutrons
50
78
4
285
👆🏻
Number of Electrons
39
55
3
117
👆🏻
Radius of an Atom
Atomic Radius
180.00 pm
265.00 pm
0
348
👆🏻
Covalent Radius
190.00 pm
244.00 pm
0
260
👆🏻
Van der Waals Radius
200.00 pm
343.00 pm
0
348
👆🏻
Atomic Weight
88.91 amu
132.91 amu
6.94
294
👆🏻
Atomic Volume
19.80 cm3/mol
71.07 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
48.00 (-eV)
8.62 (-eV)
0
392.42
👆🏻
Lattice Constant
364.74 pm
614.10 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.57
1.87
0.423
1.9
👆🏻
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