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Vanadium
Vanadium

Promethium
Promethium



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Vanadium
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Promethium

Atomic Structure of Vanadium and Promethium

Atomic

Atomic Number

2361
3 117
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Electron Configuration

[Ar] 3d3 4s2
[Xe] 4f5 6s2

Crystal Structure

Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

2361
3 117
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Number of Neutrons

2884
4 285
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Number of Electrons

2361
3 117
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Radius of an Atom

Atomic Radius

134.00 pm183.00 pm
0 348
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Covalent Radius

153.00 pm199.00 pm
0 260
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Van der Waals Radius

200.00 pm236.00 pm
0 348
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Atomic Weight

50.94 amu145.00 amu
6.94 294
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Atomic Volume

8.78 cm3/mol22.39 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

120.00 (-eV)44.10 (-eV)
0 392.42
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Lattice Constant

303.00 pm-
0 891.25
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Lattice Angles

π/2, π/2, π/2
-

Lattice C/A Ratio

1.701.63
0.423 1.9
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