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Actinium
Actinium

Einsteinium
Einsteinium



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Actinium
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Einsteinium

Atomic Structure of Actinium and Einsteinium

Atomic

Atomic Number

8999
3 117
👆🏻

Electron Configuration

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

Crystal Structure

Face Centered Cubic (FCC)
Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

8999
3 117
👆🏻

Number of Neutrons

138153
4 285
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Number of Electrons

8999
3 117
👆🏻

Radius of an Atom

Atomic Radius

195.00 pm186.00 pm
0 348
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Covalent Radius

186.00 pm186.00 pm
0 260
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Van der Waals Radius

215.00 pm0.00 pm
0 348
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Atomic Weight

227.00 amu252.00 amu
6.94 294
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Atomic Volume

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

Previous Element

Next Element

Valence Electron Potential

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

567.00 pm582.00 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
-

Lattice C/A Ratio

1.891.29
0.423 1.9
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