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Lanthanum
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Atomic Structure of Lanthanum
Lanthanum
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Summary
Periodic Table
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1 Atomic
1.1 Atomic Number
57
Rank: 59 (Overall)
▶
Atomic Structure of Lithium
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⊕
3
117
1.2 Electron Configuration
[Xe] 5d
2
6s
2
1.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
57
Rank: 58 (Overall)
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Atomic Structure of Lithium
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⊕
3
117
1.4.2 Number of Neutrons
82
Rank: 41 (Overall)
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Atomic Structure of Lithium
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⊕
4
184
1.4.3 Number of Electrons
57
Rank: 58 (Overall)
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Atomic Structure of Lithium
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3
117
1.5 Radius of an Atom
1.5.1 Atomic Radius
187.00 pm
Rank: 8 (Overall)
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Atomic Structure of Beryllium
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⊕
112
265
1.5.2 Covalent Radius
207.00 pm
Rank: 6 (Overall)
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Atomic Structure of Beryllium
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⊕
96
260
1.5.3 Van der Waals Radius
240.00 pm
Rank: 13 (Overall)
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Atomic Structure of Zinc
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⊕
139
348
1.6 Atomic Weight
138.91 amu
Rank: 53 (Overall)
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Atomic Structure of Lithium
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⊕
6.94
294
1.7 Atomic Volume
20.73 cm3/mol
Rank: 16 (Overall)
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Atomic Structure of Manganese
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⊕
1.39
71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
40.71 (-eV)
Rank: 46 (Overall)
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Atomic Structure of Francium
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8
392.42
1.10 Lattice Constant
377.20 pm
Rank: 28 (Overall)
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Atomic Structure of Beryllium
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⊕
228.58
891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio
1.62
Rank: 2 (Overall)
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Atomic Structure of Beryllium
▶
⊕
1.567
1.886
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