system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is H2O2 called Hydrogen Peroxide rather than Dihydrogen dioxide?
gpt
It's got a specific structure (H-O-O-H), making it a "peroxide". It's not wrong to call it dihydrogen dioxide, it's just a little more cumbersome and less specific about the structure of the atoms in the bond.