Home
Compare Metals


Atomic Structure of Gadolinium and Promethium


Atomic Structure of Promethium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
61   
99+

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

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

Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   

Atom
  
  

Number of Protons
64   
99+
61   
99+

Number of Neutrons
93   
37
84   
40

Number of Electrons
64   
99+
61   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
183.00 pm   
10

Covalent Radius
196.00 pm   
14
199.00 pm   
12

Van der Waals Radius
237.00 pm   
15
236.00 pm   
16

Atomic Weight
47.87 amu   
99+
145.00 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
22.39 cm3/mol   
12

Adjacent Atomic Numbers
  
  

Previous Element
Europium
  
Neodymium
  

Next Element
Terbium
  
Samarium
  

Valence Electron Potential
46.10 (-eV)   
34
44.10 (-eV)   
39

Lattice Constant
363.60 pm   
32
Not Available   

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

Lattice C/A Ratio
1.59   
9
Not Available   

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series