Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Sodium and Technetium


Atomic Structure of Technetium and Sodium


Atomic Properties

Atomic Number
11   
99+
43   
99+

Electron Configuration
[Ne] 3s1   
[Kr] 4d5 5s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
11   
99+
43   
99+

Number of Neutrons
12   
99+
55   
99+

Number of Electrons
11   
99+
43   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
136.00 pm   
99+

Covalent Radius
166.00 pm   
27
147.00 pm   
37

Van der Waals Radius
227.00 pm   
21
200.00 pm   
28

Atomic Weight
22.99 amu   
99+
98.00 amu   
99+

Atomic Volume
23.70 cm3/mol   
10
8.50 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Beryllium
  
Molybdenum
  

Next Element
Magnesium
  
Ruthenium
  

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

Lattice Constant
429.06 pm   
19
273.50 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.60   
5

Mechanical >>
<< Chemical

Compare All Metals

All Metals

All Metals


Compare All Metals