Radium oxide

Radium oxide is an inorganic compound of radium and oxygen with the chemical formula RaO.[1]

Radium oxide
Identifiers
3D model (JSmol)
  • InChI=1S/O.Ra/q-2;+2
    Key: PLEZGBHMSVTPPQ-UHFFFAOYSA-N
  • [Ra+2].[O-2]
Properties
ORa
Molar mass 242 g·mol−1
Appearance solid
reacts with water
Related compounds
Related compounds
 Barium oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis

The compound can be obtained by heating metallic radium in air:

2Ra + O2 → 2RaO

This reaction also produces radium nitride and possibly radium peroxide:

3Ra + N2 → Ra3N2
Ra + O2 → RaO2

Chemical properties

Radium oxide can react with water to form radium hydroxide:

RaO + H2O → Ra(OH)2

Uses

It is often used as a precursor to create other radium compounds that are used in radiation therapy.

References
  1. Alkali Metals—Advances in Research and Application: 2013 Edition: ScholarlyBrief. ScholarlyEditions. 21 June 2013. p. 57. ISBN 978-1-4816-7240-5. Retrieved 8 June 2023.
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