Compound adjectives are only compound before the noun.
Upwards is a compound word.
The compound word of after is afternoon,
compound words
The answer depends on the compound.
It is a compound.
mixture
An ionic compound is an example of a chemical compound.
It is a compound.
plastic is a compound .
Water is a compound
soap is a compound
A single compound is one compound
Compound
Compound.
compound
Do you mean how is an organic compound different from an inorganic compound? If so, an organic compound has carbon, an inorganic compound does not need to have carbon.