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Fermium
Fermium

Bohrium
Bohrium



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Fermium
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Bohrium

Atomic Structure of Fermium and Bohrium

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Atomic

Atomic Number

100107
3 117
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Electron Configuration

[Rn] 5f12 7s2
[Rn] 5f14 6d5 7s2

Crystal Structure

Not Known
Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

100107
3 117
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Number of Neutrons

157155
4 285
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Number of Electrons

100107
3 117
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Radius of an Atom

Atomic Radius

180.00 pm128.00 pm
0 348
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Covalent Radius

180.00 pm141.00 pm
0 260
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Van der Waals Radius

245.00 pm0.00 pm
0 348
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Atomic Weight

257.00 amu270.00 amu
6.94 294
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Atomic Volume

18.00 cm3/mol23.70 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

0.00 (-eV)27.20 (-eV)
0 392.42
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Lattice Constant

350.00 pm-
0 891.25
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Lattice Angles

-
-

Lattice C/A Ratio

1.631.57
0.423 1.9
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