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Hafnium
Hafnium

Iridium
Iridium



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Hafnium
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Iridium

Atomic Structure of Hafnium and Iridium

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1 Atomic
1.1 Atomic Number
7277
3 117
1.2 Electron Configuration
[Xe] 4f14 5d2 6s2
[Xe] 4f14 5d7 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7274
3 117
1.4.2 Number of Neutrons
106110
4 184
1.4.3 Number of Electrons
7274
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
159.00 pm136.00 pm
112 265
1.5.2 Covalent Radius
175.00 pm141.00 pm
96 260
1.5.3 Van der Waals Radius
200.00 pm202.00 pm
139 348
1.6 Atomic Weight
178.49 amu192.22 amu
6.94 294
1.7 Atomic Volume
13.60 cm3/mol9.53 cm3/mol
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)140.00 (-eV)
8 392.42
1.10 Lattice Constant
319.64 pm383.90 pm
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
1.12 Lattice C/A Ratio
1.58NA
1.567 1.886