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Atomic Structure of Hafnium
f
Hafnium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
72 44
Electron Configuration
[Xe] 4f
14
5d
2
6s
2
Crystal Structure
Hexagonal Close Packed (HCP)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
72 43
Number of Neutrons
106 30
Number of Electrons
72 43
Radius of an Atom
Atomic Radius
159.00 pm 30
Covalent Radius
175.00 pm 25
Van der Waals Radius
200.00 pm 35
Atomic Weight
178.49 amu 39
Atomic Volume
13.60 cm3/mol 55
Adjacent Atomic Numbers
Previous Element
80
Next Element
57
Valence Electron Potential
81.00 (-eV) 16
Lattice Constant
319.64 pm 62
Lattice Angles
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.58 34
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