Home
Compare Metals


Atomic Structure of Tantalum and Protactinium


Atomic Structure of Protactinium and Tantalum


Atomic Properties

Atomic Number
73   
99+
91   
27

Electron Configuration
[Xe] 4f14 5d3 6s2   
[Rn] 5f2 6d1 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Tetragonal (TETR)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   

Atom
  
  

Number of Protons
73   
99+
91   
27

Number of Neutrons
108   
28
122   
21

Number of Electrons
73   
99+
91   
27

Radius of an Atom
  
  

Atomic Radius
146.00 pm   
35
163.00 pm   
25

Covalent Radius
170.00 pm   
25
200.00 pm   
11

Van der Waals Radius
200.00 pm   
28
243.00 pm   
11

Atomic Weight
180.95 amu   
38
231.04 amu   
24

Atomic Volume
10.90 cm3/mol   
99+
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

Previous Element
Hafnium
  
Thorium
  

Next Element
Tungsten
  
Uranium
  

Valence Electron Potential
110.00 (-eV)   
7
92.00 (-eV)   
11

Lattice Constant
330.13 pm   
99+
392.50 pm   
23

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