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Einsteinium
Einsteinium

Neptunium
Neptunium



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Einsteinium
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Neptunium

Atomic Structure of Einsteinium and Neptunium

Atomic

Atomic Number

9993
3 117
👆🏻

Electron Configuration

[Rn] 5f11 7s2
[Rn] 5f4 6d1 7s2

Crystal Structure

Face Centered Cubic (FCC)
Orthorhombic (ORTH)

Crystal Lattice

Atom

Number of Protons

9993
3 117
👆🏻

Number of Neutrons

153144
4 285
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Number of Electrons

9993
3 117
👆🏻

Radius of an Atom

Atomic Radius

186.00 pm155.00 pm
0 348
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Covalent Radius

186.00 pm190.00 pm
0 260
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Van der Waals Radius

0.00 pm221.00 pm
0 348
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Atomic Weight

252.00 amu237.00 amu
6.94 294
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Atomic Volume

17.04 cm3/mol11.62 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

0.00 (-eV)96.00 (-eV)
0 392.42
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Lattice Constant

582.00 pm666.30 pm
0 891.25
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Lattice Angles

-
π/2, π/2, π/2

Lattice C/A Ratio

1.291.43
0.423 1.9
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