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 Fermium

Fermium Van der Waals Radius

Fm - Atomic Number 100

Van der Waals Radius
245 pm
Ranking:
#92 of 103
Highest
H: 110.00
Lowest
Fr: 348.00

About the Van der Waals Radius

Radius of an imaginary hard sphere representing the closest distance of approach.

Top 10 by Van der Waals Radius

Unit Conversions

pm 245.00
Å 2.450
nm 0.2450

Top 10 by Van der Waals Radius

#1 H Hydrogen
110.00 pm
#2 He Helium
140.00 pm
#3 F Fluorine
147.00 pm
#4 O Oxygen
152.00 pm
#5 Be Beryllium
153.00 pm
#6 Ne Neon
154.00 pm
#7 N Nitrogen
155.00 pm
#8 C Carbon
170.00 pm
#9 Mg Magnesium
173.00 pm
#10 Cl Chlorine
175.00 pm

Related Properties

Atomic Mass

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).