Periodic System for Chemists

Your periodic table, always with you.

Use it offline. Find elements quickly. Keep favorites and personal notes on iPhone and iPad.

Back to Copper

Copper Atomic Radius

Cu - Atomic Number 29

Atomic Radius
135 pm
Ranking:
#25 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 135.00
Å 1.350
nm 0.1350

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

iPhone & iPad

Your periodic table, always with you.

  • Access element data offline, in the lab or in class.
  • Find elements quickly by name, symbol, or atomic number.
  • Save favorite elements and add your own notes.
Published App Store screenshots: periodic table, element details, and search (English).