Home
Compare Metals


Atomic Structure of Tantalum and Actinium


Atomic Structure of Actinium and Tantalum


Atomic Properties

Atomic Number
73   
99+
89   
29

Electron Configuration
[Xe] 4f14 5d3 6s2   
[Rn] 6d1 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   

Atom
  
  

Number of Protons
73   
99+
89   
29

Number of Neutrons
108   
28
138   
16

Number of Electrons
73   
99+
89   
29

Radius of an Atom
  
  

Atomic Radius
146.00 pm   
35
195.00 pm   
7

Covalent Radius
170.00 pm   
25
Not Available   

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
180.95 amu   
38
227.00 amu   
25

Atomic Volume
10.90 cm3/mol   
99+
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Hafnium
  
Radium
  

Next Element
Tungsten
  
Thorium
  

Valence Electron Potential
110.00 (-eV)   
7
38.60 (-eV)   
99+

Lattice Constant
330.13 pm   
99+
567.00 pm   
8

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical >>
<< Chemical

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals