"Compound" means that the substance is made up of more than just one element.
A compound is a pure substance.
CH4 is the formula for methane meaning it is a compound substance.
compound
If this compound is refined can be classified as a pure substance.
No. A compound is a pure substance.
It is a compound
I think that its a compound.
It's an elemental compound
Toluene is a pure substance because it is a single compound with a uniform chemical composition throughout.
Carbon dioxide (CO2) is a compound and can be also a pure substance.
No.
Generally is considered that compound and substance are synonyms.