Home
Compare Metals


Atomic Structure of Praseodymium and Technetium


Atomic Structure of Technetium and Praseodymium


Atomic Properties

Atomic Number
59   
99+
43   
99+

Electron Configuration
[Xe] 4f3 6s2   
[Kr] 4d5 5s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
HCP-Crystal-Structure-of-Technetium.jpg#100   

Atom
  
  

Number of Protons
59   
99+
43   
99+

Number of Neutrons
82   
99+
55   
99+

Number of Electrons
59   
99+
43   
99+

Radius of an Atom
  
  

Atomic Radius
182.00 pm   
11
136.00 pm   
99+

Covalent Radius
203.00 pm   
9
147.00 pm   
37

Van der Waals Radius
239.00 pm   
14
200.00 pm   
28

Atomic Weight
140.91 amu   
99+
98.00 amu   
99+

Atomic Volume
20.80 cm3/mol   
15
8.50 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Cerium
  
Molybdenum
  

Next Element
Neodymium
  
Ruthenium
  

Valence Electron Potential
42.64 (-eV)   
99+
180.00 (-eV)   
3

Lattice Constant
367.25 pm   
29
273.50 pm   
99+

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

Lattice C/A Ratio
1.61   
4
1.60   
5

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series