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Hafnium
Hafnium

Fermium
Fermium



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Hafnium
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Fermium

Atomic Structure of Hafnium and Fermium

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1 Atomic
1.1 Atomic Number
72100
Lithium
3 117
1.2 Electron Configuration
[Xe] 4f14 5d2 6s2
[Rn] 5f12 7s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
72100
Lithium
3 117
1.4.2 Number of Neutrons
106157
Lithium
4 184
1.4.3 Number of Electrons
72100
Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
159.00 pmNA
Beryllium
112 265
1.5.2 Covalent Radius
175.00 pmNA
Beryllium
96 260
1.5.3 Van der Waals Radius
200.00 pm245.00 pm
Zinc
139 348
1.6 Atomic Weight
178.49 amu257.00 amu
Lithium
6.94 294
1.7 Atomic Volume
13.60 cm3/molNA
Manganese
1.39 71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
81.00 (-eV)NA
Francium
8 392.42
1.10 Lattice Constant
319.64 pmNA
Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
NA
1.12 Lattice C/A Ratio
1.58NA
Beryllium
1.567 1.886