Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Lanthanum and Calcium


Atomic Structure of Calcium and Lanthanum


Atomic Properties

Atomic Number
57   
99+
20   
99+

Electron Configuration
[Xe] 5d2 6s2   
[Ar] 4s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   

Atom
  
  

Number of Protons
57   
99+
20   
99+

Number of Neutrons
82   
99+
20   
99+

Number of Electrons
57   
99+
20   
99+

Radius of an Atom
  
  

Atomic Radius
187.00 pm   
8
197.00 pm   
6

Covalent Radius
207.00 pm   
6
176.00 pm   
22

Van der Waals Radius
240.00 pm   
13
231.00 pm   
19

Atomic Weight
138.91 amu   
99+
40.08 amu   
99+

Atomic Volume
20.73 cm3/mol   
16
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

Previous Element
Barium
  
Potassium
  

Next Element
Cerium
  
Scandium
  

Valence Electron Potential
40.71 (-eV)   
99+
29.00 (-eV)   
99+

Lattice Constant
377.20 pm   
28
558.84 pm   
9

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

Lattice C/A Ratio
1.62   
2
Not Available   

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series