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 Radon

Radon Group

Rn - Atomic Number 86

Group
18
Ranking:
#89 of 90
Highest
H: 1.00
Lowest
Og: 18.00

About the Group

Vertical column in the periodic table with similar chemical properties.

Top 10 by Group

Top 10 by Group

#1 H Hydrogen
1.00
#2 Li Lithium
1.00
#3 Na Sodium
1.00
#4 K Potassium
1.00
#5 Rb Rubidium
1.00
#6 Cs Cesium
1.00
#7 Fr Francium
1.00
#8 Be Beryllium
2.00
#9 Mg Magnesium
2.00
#10 Ca Calcium
2.00

Related Properties

BlockPeriodseries_id

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).