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Atomic Structure of Curium and Promethium


Atomic Structure of Promethium and Curium


Atomic Properties

Atomic Number
96   
22
61   
99+

Electron Configuration
[Rn] 5f7 6d1 7s2   
[Xe] 4f5 6s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   

Atom
  
  

Number of Protons
96   
22
61   
99+

Number of Neutrons
151   
10
84   
40

Number of Electrons
96   
22
61   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
183.00 pm   
10

Covalent Radius
169.00 pm   
26
199.00 pm   
12

Van der Waals Radius
200.00 pm   
28
236.00 pm   
16

Atomic Weight
247.00 amu   
18
145.00 amu   
99+

Atomic Volume
18.28 cm3/mol   
26
22.39 cm3/mol   
12

Adjacent Atomic Numbers
  
  

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Next Element
Berkelium
  
Samarium
  

Valence Electron Potential
44.50 (-eV)   
38
44.10 (-eV)   
39

Lattice Constant
Not Available   
Not Available   

Lattice Angles
NA   
Unknown   

Lattice C/A Ratio
Not Available   
Not Available   

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