Atomic Structure of Thorium and Uranium
Atomic Properties
Atomic Number
90
28
92
26
Electron Configuration
[Rn] 6d2 7s2
[Rn] 5f3 6d1 7s2
Crystal Structure
Face Centered Cubic (FCC)
Orthorhombic (ORTH)
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100
ORTH-Crystal-Structure-of-Uranium.jpg#100
Atom
Number of Protons
90
28
92
26
Number of Neutrons
142
15
146
13
Number of Electrons
90
28
92
26
Radius of an Atom
Atomic Radius
179.80 pm
15
156.00 pm
29
Covalent Radius
206.00 pm
7
196.00 pm
14
Van der Waals Radius
237.00 pm
15
186.00 pm
33
Atomic Weight
232.04 amu
23
238.03 amu
21
Atomic Volume
19.90 cm3/mol
20
12.59 cm3/mol
40
Adjacent Atomic Numbers
Valence Electron Potential
59.30 (-eV)
23
170.00 (-eV)
4
Lattice Constant
508.42 pm
14
295.08 pm
99+
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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