Why do #SrO_2# and #BaO_2# NOT exist?

1 Answer
Jan 31, 2016

Answer:

In fact both strontium peroxide and barium peroxide exist.

Explanation:

Both peroxide salts are available in the latest Aldrich catalogue. See here for a wiki link.

And note that these peroxides are formally the salts of #M^(2+)#, and #O_2^(2-)# ions...