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Tantalum
Tantalum




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Atomic Structure of Tantalum

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Atomic

Atomic Number

73
Rank: 43 (Overall)
3 117
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Electron Configuration

[Xe] 4f14 5d3 6s2

Crystal Structure

Body Centered Cubic (BCC)

Crystal Lattice

Atom

Number of Protons

73
Rank: 42 (Overall)
3 117
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Number of Neutrons

108
Rank: 29 (Overall)
4 285
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Number of Electrons

73
Rank: 42 (Overall)
3 117
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Radius of an Atom

Atomic Radius

146.00 pm
Rank: 37 (Overall)
0 348
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Covalent Radius

170.00 pm
Rank: 27 (Overall)
0 260
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Van der Waals Radius

200.00 pm
Rank: 35 (Overall)
0 348
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Atomic Weight

180.95 amu
Rank: 38 (Overall)
6.94 294
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Atomic Volume

10.90 cm3/mol
Rank: 62 (Overall)
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

110.00 (-eV)
Rank: 7 (Overall)
0 392.42
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Lattice Constant

330.13 pm
Rank: 57 (Overall)
0 891.25
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Lattice Angles

π/2, π/2, π/2

Lattice C/A Ratio

1.41
Rank: 51 (Overall)
0.423 1.9
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