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Sodium
Sodium

Actinium
Actinium



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Sodium
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Actinium

Atomic Structure of Sodium and Actinium

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Atomic

Atomic Number

1189
3 117
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Electron Configuration

[Ne] 3s1
[Rn] 6d1 7s2

Crystal Structure

Body Centered Cubic (BCC)
Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

1189
3 117
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Number of Neutrons

12138
4 285
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Number of Electrons

1189
3 117
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Radius of an Atom

Atomic Radius

186.00 pm195.00 pm
0 348
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Covalent Radius

166.00 pm186.00 pm
0 260
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Van der Waals Radius

227.00 pm215.00 pm
0 348
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Atomic Weight

22.99 amu227.00 amu
6.94 294
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Atomic Volume

23.70 cm3/mol22.54 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

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

429.06 pm567.00 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio

1.011.89
0.423 1.9
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