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Cesium
Cesium

Iridium
Iridium



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Cesium
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Iridium

Atomic Structure of Cesium and Iridium

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Atomic

Atomic Number

5577
3 117
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Electron Configuration

[Xe] 6s1
[Xe] 4f14 5d7 6s2

Crystal Structure

Body Centered Cubic (BCC)
Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

5574
3 117
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Number of Neutrons

78110
4 285
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Number of Electrons

5574
3 117
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Radius of an Atom

Atomic Radius

265.00 pm136.00 pm
0 348
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Covalent Radius

244.00 pm141.00 pm
0 260
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Van der Waals Radius

343.00 pm202.00 pm
0 348
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Atomic Weight

132.91 amu192.22 amu
6.94 294
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Atomic Volume

71.07 cm3/mol9.53 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

8.62 (-eV)140.00 (-eV)
0 392.42
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Lattice Constant

614.10 pm383.90 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio

1.871.58
0.423 1.9
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