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Atomic Structure of Scandium and Curium

Scandium
Curium
Atomic Structure of Curium and Scandium


Atomic Properties
Atomic Number
21   
99+
96   
22
Electron Configuration
[Ar] 3d1 4s2   
[Rn] 5f7 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
DHCP-Crystal-Structure-of-Curium.jpg#100   
Atom
  
  
Number of Protons
21   
99+
96   
22
Number of Neutrons
24   
99+
151   
10
Number of Electrons
21   
99+
96   
22
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
174.00 pm   
20
Covalent Radius
170.00 pm   
25
169.00 pm   
26
Van der Waals Radius
211.00 pm   
25
200.00 pm   
28
Atomic Weight
44.96 amu   
99+
247.00 amu   
18
Atomic Volume
15.00 cm3/mol   
34
18.28 cm3/mol   
26
Adjacent Atomic Numbers
  
  
Previous Element
Calcium
  
Americium
  
Next Element
Titanium
  
Berkelium
  
Valence Electron Potential
58.00 (-eV)   
24
44.50 (-eV)   
38
Lattice Constant
330.90 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.59   
7
Not Available   
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