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Potassium
Potassium

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Curium



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Atomic Structure of Potassium and Curium

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Atomic

Atomic Number

1996
3 117
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Electron Configuration

[Ar] 4s1
[Rn] 5f7 6d1 7s2

Crystal Structure

Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

1996
3 117
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Number of Neutrons

20151
4 285
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Number of Electrons

1996
3 117
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Radius of an Atom

Atomic Radius

227.00 pm174.00 pm
0 348
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Covalent Radius

203.00 pm169.00 pm
0 260
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Van der Waals Radius

275.00 pm200.00 pm
0 348
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Atomic Weight

39.10 amu247.00 amu
6.94 294
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Atomic Volume

45.46 cm3/mol18.28 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

10.40 (-eV)44.50 (-eV)
0 392.42
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Lattice Constant

532.80 pm336.25 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
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Lattice C/A Ratio

1.691.67
0.423 1.9
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