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Tantalum
Tantalum

Tungsten
Tungsten



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Tantalum
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Tungsten

Atomic Structure of Tantalum and Tungsten

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1 Atomic
1.1 Atomic Number
7374
3 117
1.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Xe] 4f14 5d4 6s2
1.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7374
3 117
1.4.2 Number of Neutrons
108110
4 184
1.4.3 Number of Electrons
7374
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
146.00 pm139.00 pm
112 265
1.5.2 Covalent Radius
170.00 pm162.00 pm
96 260
1.5.3 Van der Waals Radius
200.00 pm200.00 pm
139 348
1.6 Atomic Weight
180.95 amu183.84 amu
6.94 294
1.7 Atomic Volume
10.90 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
110.00 (-eV)140.00 (-eV)
8 392.42
1.10 Lattice Constant
330.13 pm316.52 pm
228.58 891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
1.12 Lattice C/A Ratio
NANA
1.567 1.886