Periodic System for Chemists

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Back to Calcium

Calcium Atomic Radius

Ca - Atomic Number 20

Atomic Radius
180 pm
Ranking:
#69 of 90
Highest
H: 25.00
Lowest
Cs: 260.00

About the Atomic Radius

Empirical atomic radius measured in picometers.

Top 10 by Atomic Radius

Unit Conversions

pm 180.00
Å 1.800
nm 0.1800

Top 10 by Atomic Radius

#1 H Hydrogen
25.00 pm
#2 F Fluorine
50.00 pm
#3 O Oxygen
60.00 pm
#4 N Nitrogen
65.00 pm
#5 C Carbon
70.00 pm
#6 Ar Argon
71.00 pm
#7 B Boron
85.00 pm
#8 P Phosphorus
100.00 pm
#9 S Sulfur
100.00 pm
#10 Cl Chlorine
100.00 pm

Related Properties

Atomic MassCovalent RadiusVan der Waals Radius

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