As nouns the difference between sesquioxide and heptaoxide
is that sesquioxide is (chemistry) any oxide containing three oxygen atoms for every two atoms of another element while heptaoxide is .
sesquioxide
English
Noun
(
en noun)
(chemistry) Any oxide containing three oxygen atoms for every two atoms of another element.
Derived terms
*antimony sesquioxide
*arsenic sesquioxide
*chromium sesquioxide
*holmium sesquioxide