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Lanthanum
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Tin
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Actinide Series
Lanthanide Series
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Lanthanum
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Tin
Atomic Structure of Lanthanum and Tin
Lanthanum
Tin
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
57
50
3
117
👆🏻
Electron Configuration
[Xe] 5d
2
6s
2
[Kr] 4d
10
5s
2
5p
2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Tetragonal (TETR)
Crystal Lattice
Atom
Number of Protons
57
50
3
117
👆🏻
Number of Neutrons
82
69
4
285
👆🏻
Number of Electrons
57
50
3
117
👆🏻
Radius of an Atom
Atomic Radius
187.00 pm
140.00 pm
0
348
👆🏻
Covalent Radius
207.00 pm
139.00 pm
0
260
👆🏻
Van der Waals Radius
240.00 pm
217.00 pm
0
348
👆🏻
Atomic Weight
138.91 amu
118.71 amu
6.94
294
👆🏻
Atomic Volume
20.73 cm3/mol
16.30 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
40.71 (-eV)
83.50 (-eV)
0
392.42
👆🏻
Lattice Constant
377.20 pm
583.18 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.62
0.68
0.423
1.9
👆🏻
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