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Atomic Structure of Gadolinium and Calcium


Atomic Structure of Calcium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
20   
99+

Electron Configuration
[Xe] 4f7 5d1 6s2   
[Ar] 4s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   

Atom
  
  

Number of Protons
64   
99+
20   
99+

Number of Neutrons
93   
37
20   
99+

Number of Electrons
64   
99+
20   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
197.00 pm   
6

Covalent Radius
196.00 pm   
14
176.00 pm   
22

Van der Waals Radius
237.00 pm   
15
231.00 pm   
19

Atomic Weight
47.87 amu   
99+
40.08 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

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Terbium
  
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Valence Electron Potential
46.10 (-eV)   
34
29.00 (-eV)   
99+

Lattice Constant
363.60 pm   
32
558.84 pm   
9

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

Lattice C/A Ratio
1.59   
9
Not Available   

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