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Atomic Structure of Calcium and Uranium

Calcium
Uranium
Atomic Structure of Uranium and Calcium


Atomic Properties
Atomic Number
20   
99+
92   
26
Electron Configuration
[Ar] 4s2   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Orthorhombic (ORTH)   
Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
20   
99+
92   
26
Number of Neutrons
20   
99+
146   
13
Number of Electrons
20   
99+
92   
26
Radius of an Atom
  
  
Atomic Radius
197.00 pm   
6
156.00 pm   
29
Covalent Radius
176.00 pm   
22
196.00 pm   
14
Van der Waals Radius
231.00 pm   
19
186.00 pm   
33
Atomic Weight
40.08 amu   
99+
238.03 amu   
21
Atomic Volume
29.90 cm3/mol   
7
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Potassium
  
Protactinium
  
Next Element
Scandium
  
Neptunium
  
Valence Electron Potential
29.00 (-eV)   
99+
170.00 (-eV)   
4
Lattice Constant
558.84 pm   
9
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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