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Mendelevium
Mendelevium

Einsteinium
Einsteinium



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Mendelevium
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Einsteinium

Atomic Structure of Mendelevium and Einsteinium

Atomic

Atomic Number

10199
3 117
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Electron Configuration

[Rn] 5f13 7s2
[Rn] 5f11 7s2

Crystal Structure

Not Known
Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

10199
3 117
👆🏻

Number of Neutrons

157153
4 285
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Number of Electrons

10199
3 117
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Radius of an Atom

Atomic Radius

175.00 pm186.00 pm
0 348
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Covalent Radius

175.00 pm186.00 pm
0 260
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Van der Waals Radius

246.00 pm0.00 pm
0 348
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Atomic Weight

258.00 amu252.00 amu
6.94 294
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Atomic Volume

19.90 cm3/mol17.04 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

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

-582.00 pm
0 891.25
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Lattice Angles

-
-

Lattice C/A Ratio

1.581.29
0.423 1.9
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