Home
Compare Metals


Atomic Structure of Erbium and Calcium


Atomic Structure of Calcium and Erbium


Atomic Properties

Atomic Number
68   
99+
20   
99+

Electron Configuration
[Xe] 4f12 6s2   
[Ar] 4s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   

Atom
  
  

Number of Protons
68   
99+
20   
99+

Number of Neutrons
99   
33
20   
99+

Number of Electrons
68   
99+
20   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
197.00 pm   
6

Covalent Radius
189.00 pm   
19
176.00 pm   
22

Van der Waals Radius
Not Available   
231.00 pm   
19

Atomic Weight
167.26 amu   
99+
40.08 amu   
99+

Atomic Volume
18.40 cm3/mol   
25
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

Previous Element
Holmium
  
Potassium
  

Next Element
Thulium
  
Scandium
  

Valence Electron Potential
49.00 (-eV)   
29
29.00 (-eV)   
99+

Lattice Constant
355.88 pm   
39
558.84 pm   
9

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

Lattice C/A Ratio
1.57   
17
Not Available   

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series