Helium Atomic Radius
He - Atomic Number 2
Atomic Radius
120 pm
Ranking:
#16 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 120.00
Å 1.200
nm 0.1200