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Hafnium
Hafnium

Nihonium
Nihonium



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Hafnium
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Nihonium

Atomic Structure of Hafnium and Nihonium

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Atomic

Atomic Number

72113
3 117
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Electron Configuration

[Xe] 4f14 5d2 6s2
[Rn] 5f14 6d10 7s2 7p1

Crystal Structure

Hexagonal Close Packed (HCP)
Not Known

Crystal Lattice

Atom

Number of Protons

72113
3 117
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Number of Neutrons

106150
4 285
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Number of Electrons

72113
3 117
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Radius of an Atom

Atomic Radius

159.00 pm170.00 pm
0 348
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Covalent Radius

175.00 pm170.00 pm
0 260
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Van der Waals Radius

200.00 pm320.00 pm
0 348
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Atomic Weight

178.49 amu286.00 amu
6.94 294
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Atomic Volume

13.60 cm3/mol21.10 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

81.00 (-eV)6.20 (-eV)
0 392.42
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Lattice Constant

319.64 pm0.00 pm
0 891.25
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Lattice Angles

π/2, π/2, 2 π/3
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Lattice C/A Ratio

1.581.58
0.423 1.9
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