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Plutonium
Plutonium

Promethium
Promethium



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Plutonium
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Promethium

Atomic Structure of Plutonium and Promethium

Atomic

Atomic Number

9461
3 117
👆🏻

Electron Configuration

[Rn] 5f6 7s2
[Xe] 4f5 6s2

Crystal Structure

Monoclinic (MON)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

9461
3 117
👆🏻

Number of Neutrons

15084
4 285
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Number of Electrons

9461
3 117
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Radius of an Atom

Atomic Radius

159.00 pm183.00 pm
0 348
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Covalent Radius

187.00 pm199.00 pm
0 260
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Van der Waals Radius

200.00 pm236.00 pm
0 348
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Atomic Weight

244.00 amu145.00 amu
6.94 294
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Atomic Volume

12.32 cm3/mol22.39 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

64.90 (-eV)44.10 (-eV)
0 392.42
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Lattice Constant

618.30 pm-
0 891.25
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Lattice Angles

-
-

Lattice C/A Ratio

1.741.63
0.423 1.9
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