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Atomic Structure of Darmstadtium and Promethium


Atomic Structure of Promethium and Darmstadtium


Atomic Properties

Atomic Number
110   
8
61   
99+

Electron Configuration
[Rn] 5f14 6d8 7s2   
[Xe] 4f5 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   

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

Atom
  
  

Number of Protons
110   
8
61   
99+

Number of Neutrons
161   
3
84   
40

Number of Electrons
110   
8
61   
99+

Radius of an Atom
  
  

Atomic Radius
132.00 pm   
99+
183.00 pm   
10

Covalent Radius
128.00 pm   
99+
199.00 pm   
12

Van der Waals Radius
Not Available   
236.00 pm   
16

Atomic Weight
281.00 amu   
6
145.00 amu   
99+

Atomic Volume
Not Available   
22.39 cm3/mol   
12

Adjacent Atomic Numbers
  
  

Previous Element
Meitnerium
  
Neodymium
  

Next Element
Samarium
  

Valence Electron Potential
Not Available   
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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