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Periodic Table

Picture of  Calcium
 
 

 Atomic No. Order:
[Picture]

 Alphabetic Order:
 

Calcium  
Ground State Electron Configuration of  Calcium
Symbol: Ca
Atomic Number: 20
Atomicmass: 40.08 g./mol
Electronegative (According to Pauling): 1.0
Density: 1.6 g.cm-3 at 20°C
Melting Point: 840 °C
Boiling Point: 1484 °C
Venderwaals Radius: 0.197 nm
Ionic Radius: 0.099 nm
Isotopes: 10
Electronic Shell: [ Ar ] 4s2
Energy Of First Ionization: 589.6 kJ./mol  

20

No of Protons
Standard Potential: - 2.87 V

Electron in Full Shell
Discoverd By: Discovered by Sir Humphrey Davy in 1808

Electron in Partial Shell
   
 
 

 
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