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Actinium
Actinium




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Atomic Structure of Actinium

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1 Atomic

1.1 Atomic Number

89
Rank: 29 (Overall)
3 117

1.2 Electron Configuration

[Rn] 6d1 7s2

1.3 Crystal Structure

Face Centered Cubic (FCC)

1.3.1 Crystal Lattice

1.4 Atom

1.4.1 Number of Protons

89
Rank: 29 (Overall)
3 117

1.4.2 Number of Neutrons

138
Rank: 16 (Overall)
4 184

1.4.3 Number of Electrons

89
Rank: 29 (Overall)
3 117

1.5 Radius of an Atom

1.5.1 Atomic Radius

195.00 pm
Rank: 7 (Overall)
112 265

1.5.2 Covalent Radius

Not Available
Rank: N/A (Overall)
96 260

1.5.3 Van der Waals Radius

Not Available
Rank: N/A (Overall)
139 348

1.6 Atomic Weight

227.00 amu
Rank: 25 (Overall)
6.94 294

1.7 Atomic Volume

22.54 cm3/mol
Rank: 11 (Overall)
1.39 71.07

1.8 Adjacent Atomic Numbers

1.8.1 Previous Element

1.8.2 Next Element

1.9 Valence Electron Potential

38.60 (-eV)
Rank: 49 (Overall)
8 392.42

1.10 Lattice Constant

567.00 pm
Rank: 8 (Overall)
228.58 891.25

1.11 Lattice Angles

π/2, π/2, π/2

1.12 Lattice C/A Ratio

Not Available
Rank: N/A (Overall)
1.567 1.886