Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Gadolinium and Actinium


Atomic Structure of Actinium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
89   
29

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

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

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

Atom
  
  

Number of Protons
64   
99+
89   
29

Number of Neutrons
93   
37
138   
16

Number of Electrons
64   
99+
89   
29

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
195.00 pm   
7

Covalent Radius
196.00 pm   
14
Not Available   

Van der Waals Radius
237.00 pm   
15
Not Available   

Atomic Weight
47.87 amu   
99+
227.00 amu   
25

Atomic Volume
19.90 cm3/mol   
20
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Europium
  
Radium
  

Next Element
Terbium
  
Thorium
  

Valence Electron Potential
46.10 (-eV)   
34
38.60 (-eV)   
99+

Lattice Constant
363.60 pm   
32
567.00 pm   
8

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

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