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Atomic Structure of Scandium and Neodymium


Atomic Structure of Neodymium and Scandium


Atomic Properties

Atomic Number
21   
99+
60   
99+

Electron Configuration
[Ar] 3d1 4s2   
[Xe] 4f4 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   

Atom
  
  

Number of Protons
21   
99+
60   
99+

Number of Neutrons
24   
99+
84   
40

Number of Electrons
21   
99+
60   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
181.00 pm   
13

Covalent Radius
170.00 pm   
25
201.00 pm   
10

Van der Waals Radius
211.00 pm   
25
229.00 pm   
20

Atomic Weight
44.96 amu   
99+
144.24 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
20.60 cm3/mol   
18

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  

Next Element
Titanium
  
Promethium
  

Valence Electron Potential
58.00 (-eV)   
24
43.40 (-eV)   
99+

Lattice Constant
330.90 pm   
99+
365.80 pm   
30

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.59   
7
1.61   
4

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