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Calcium
Calcium

Lanthanum
Lanthanum



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Lanthanum

Atomic Structure of Calcium and Lanthanum

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1 Atomic
1.1 Atomic Number
2057
Atomic Structure of Lithium
3 117
1.2 Electron Configuration
[Ar] 4s2
[Xe] 5d2 6s2
1.3 Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
2057
Atomic Structure of Lithium
3 117
1.4.2 Number of Neutrons
2082
Atomic Structure of Lithium
4 184
1.4.3 Number of Electrons
2057
Atomic Structure of Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
197.00 pm187.00 pm
Atomic Structure of Beryllium
112 265
1.5.2 Covalent Radius
176.00 pm207.00 pm
Atomic Structure of Beryllium
96 260
1.5.3 Van der Waals Radius
231.00 pm240.00 pm
Atomic Structure of Zinc
139 348
1.6 Atomic Weight
40.08 amu138.91 amu
Atomic Structure of Lithium
6.94 294
1.7 Atomic Volume
29.90 cm3/mol20.73 cm3/mol
Atomic Structure of Manganese
1.39 71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
29.00 (-eV)40.71 (-eV)
Atomic Structure of Francium
8 392.42
1.10 Lattice Constant
558.84 pm377.20 pm
Atomic Structure of Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio
NA1.62
Atomic Structure of Beryllium
1.567 1.886