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Hafnium
Hafnium

Technetium
Technetium



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Hafnium
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Technetium

Atomic Structure of Hafnium and Technetium

1 Atomic
1.1 Atomic Number
7243
3 117
1.2 Electron Configuration
[Xe] 4f14 5d2 6s2
[Kr] 4d5 5s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7243
3 117
1.4.2 Number of Neutrons
10655
4 184
1.4.3 Number of Electrons
7243
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 pm147.00 pm
96 260
1.5.3 Van der Waals Radius
200.00 pm200.00 pm
139 348
1.6 Atomic Weight
178.49 amu98.00 amu
6.94 294
1.7 Atomic Volume
13.60 cm3/mol8.50 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)180.00 (-eV)
8 392.42
1.10 Lattice Constant
319.64 pm273.50 pm
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio
1.581.60
1.567 1.886