a compound
Two or more substances may combine chemically under certain conditions and form compounds.
mixed substances
Compound is formed by the chemical combination of two or more substances.
Answer:molecular compound
It is called a chemical reaction.
Two or more substances that are not chemically combined make up a mixture.
Compound
a chemical reaction or an element
A mixture forms when two or more substances combine physically but not chemically.
When two or more materials combine chemically, they from a substance. When two or more materials combine and they do not react with each other, they form a mixture.
When two or more materials combine chemically, they from a substance. When two or more materials combine and they do not react with each other, they form a mixture.
Two or more elements combined chemically is a compound and the smallest unit is a molecule.