Atomic Structure of Neptunium and Gallium
Atomic Properties
Atomic Number
93
25
31
99+
Electron Configuration
[Rn] 5f4 6d1 7s2
[Ar] 3d10 4s2 4p1
Crystal Structure
Orthorhombic (ORTH)
Orthorhombic (ORTH)
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
ORTH-Crystal-Structure-of-Gallium.jpg#100
Atom
Number of Protons
93
25
31
99+
Number of Neutrons
144
14
39
99+
Number of Electrons
93
25
31
99+
Radius of an Atom
Atomic Radius
155.00 pm
30
135.00 pm
99+
Covalent Radius
190.00 pm
18
122.00 pm
99+
Van der Waals Radius
221.00 pm
22
187.00 pm
32
Atomic Weight
237.00 amu
22
69.72 amu
99+
Atomic Volume
11.62 cm3/mol
99+
11.80 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
96.00 (-eV)
9
69.70 (-eV)
19
Lattice Constant
666.30 pm
3
451.97 pm
18
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
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