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Tantalum
Tantalum

Niobium
Niobium



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Tantalum
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Niobium

Atomic Structure of Tantalum and Niobium

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1 Atomic
1.1 Atomic Number
7341
3 117
1.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Kr] 4d4 5s1
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
7341
3 117
1.4.2 Number of Neutrons
10852
4 184
1.4.3 Number of Electrons
7341
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
146.00 pm146.00 pm
112 265
1.5.2 Covalent Radius
170.00 pm164.00 pm
96 260
1.5.3 Van der Waals Radius
200.00 pm200.00 pm
139 348
1.6 Atomic Weight
180.95 amu92.91 amu
6.94 294
1.7 Atomic Volume
10.90 cm3/mol10.87 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)104.00 (-eV)
8 392.42
1.10 Lattice Constant
330.13 pm330.04 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