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Rhenium
Rhenium

Thulium
Thulium



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Rhenium
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Thulium

Atomic Structure of Rhenium and Thulium

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Atomic

Atomic Number

7569
3 117
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Electron Configuration

[Xe] 4f14 5d5 6s2
[Xe] 4f13 6s2

Crystal Structure

Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

7569
3 117
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Number of Neutrons

111100
4 285
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Number of Electrons

7569
3 117
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Radius of an Atom

Atomic Radius

137.00 pm176.00 pm
0 348
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Covalent Radius

151.00 pm160.00 pm
0 260
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Van der Waals Radius

200.00 pm227.00 pm
0 348
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Atomic Weight

186.21 amu168.93 amu
6.94 294
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Atomic Volume

8.85 cm3/mol18.10 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

180.00 (-eV)49.70 (-eV)
0 392.42
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Lattice Constant

276.10 pm353.75 pm
0 891.25
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Lattice Angles

π/2, π/2, 2 π/3
π/2, π/2, 2 π/3

Lattice C/A Ratio

1.621.57
0.423 1.9
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