Atomic Structure of Gallium and Dysprosium
Atomic Properties
Atomic Number
31
99+
66
99+
Electron Configuration
[Ar] 3d10 4s2 4p1
[Xe] 4f9 6s2
Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100
HCP-Crystal-Structure-of-Dysprosium.jpg#100
Atom
Number of Protons
31
99+
66
99+
Number of Neutrons
39
99+
96
35
Number of Electrons
31
99+
66
99+
Radius of an Atom
Atomic Radius
135.00 pm
99+
178.00 pm
16
Covalent Radius
122.00 pm
99+
192.00 pm
17
Van der Waals Radius
187.00 pm
32
229.00 pm
20
Atomic Weight
69.72 amu
99+
162.50 amu
99+
Atomic Volume
11.80 cm3/mol
99+
19.00 cm3/mol
23
Adjacent Atomic Numbers
Valence Electron Potential
69.70 (-eV)
19
47.40 (-eV)
32
Lattice Constant
451.97 pm
18
359.30 pm
37
Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
1.57
15
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