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Tin
Tin

Lanthanum
Lanthanum



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Lanthanum

Atomic Structure of Tin and Lanthanum

Tin Metal
Tin
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Atomic

Atomic Number

5057
3 117
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Electron Configuration

[Kr] 4d10 5s2 5p2
[Xe] 5d2 6s2

Crystal Structure

Tetragonal (TETR)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

5057
3 117
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Number of Neutrons

6982
4 285
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Number of Electrons

5057
3 117
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Radius of an Atom

Atomic Radius

140.00 pm187.00 pm
0 348
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Covalent Radius

139.00 pm207.00 pm
0 260
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Van der Waals Radius

217.00 pm240.00 pm
0 348
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Atomic Weight

118.71 amu138.91 amu
6.94 294
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Atomic Volume

16.30 cm3/mol20.73 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

83.50 (-eV)40.71 (-eV)
0 392.42
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Lattice Constant

583.18 pm377.20 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
π/2, π/2, 2 π/3

Lattice C/A Ratio

0.681.62
0.423 1.9
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