Atomic Structure of Strontium and Thorium
Atomic Properties
Atomic Number
38
99+
90
28
Electron Configuration
[Kr] 5s2
[Rn] 6d2 7s2
Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100
FCC-Crystal-Structure-of-Thorium.jpg#100
Atom
Number of Protons
38
99+
90
28
Number of Neutrons
50
99+
142
15
Number of Electrons
38
99+
90
28
Radius of an Atom
Atomic Radius
215.00 pm
5
179.80 pm
15
Covalent Radius
195.00 pm
15
206.00 pm
7
Van der Waals Radius
249.00 pm
7
237.00 pm
15
Atomic Weight
87.62 amu
99+
232.04 amu
23
Atomic Volume
33.70 cm3/mol
6
19.90 cm3/mol
20
Adjacent Atomic Numbers
Valence Electron Potential
25.70 (-eV)
99+
59.30 (-eV)
23
Lattice Constant
608.49 pm
6
508.42 pm
14
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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