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Lanthanum
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Bohrium
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Actinide Series
Lanthanide Series
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Lanthanum
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Bohrium
Atomic Structure of Lanthanum and Bohrium
Lanthanum
Bohrium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
57
107
3
117
👆🏻
Electron Configuration
[Xe] 5d
2
6s
2
[Rn] 5f
14
6d
5
7s
2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
Atom
Number of Protons
57
107
3
117
👆🏻
Number of Neutrons
82
155
4
285
👆🏻
Number of Electrons
57
107
3
117
👆🏻
Radius of an Atom
Atomic Radius
187.00 pm
128.00 pm
0
348
👆🏻
Covalent Radius
207.00 pm
141.00 pm
0
260
👆🏻
Van der Waals Radius
240.00 pm
0.00 pm
0
348
👆🏻
Atomic Weight
138.91 amu
270.00 amu
6.94
294
👆🏻
Atomic Volume
20.73 cm3/mol
23.70 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
40.71 (-eV)
27.20 (-eV)
0
392.42
👆🏻
Lattice Constant
377.20 pm
-
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
-
Lattice C/A Ratio
1.62
1.57
0.423
1.9
👆🏻
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