Home
Compare Metals


Atomic Structure of Actinium and Technetium


Atomic Structure of Technetium and Actinium


Atomic

Atomic Number
89  
29
43  
99+

Electron Configuration
[Rn] 6d1 7s2  
[Kr] 4d5 5s2  

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

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

Atom
  
  

Number of Protons
89  
29
43  
99+

Number of Neutrons
138  
17
55  
99+

Number of Electrons
89  
29
43  
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm  
9
136.00 pm  
99+

Covalent Radius
186.00 pm  
21
147.00 pm  
39

Van der Waals Radius
215.00 pm  
31
200.00 pm  
35

Atomic Weight
227.00 amu  
25
98.00 amu  
99+

Atomic Volume
22.54 cm3/mol  
20
8.50 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Radium
  

Next Element
Thorium
  
Ruthenium
  

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

Lattice Constant
567.00 pm  
9
273.50 pm  
99+

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

Lattice C/A Ratio
1.89  
2
1.60  
21

Mechanical >>
<< Chemical

Compare Actinide Series

Actinide Series

Actinide Series

» More Actinide Series

Compare Actinide Series

» More Compare Actinide Series