Answer
a: element
b: compound
c: mixture
d: element
e: mixture
f: compound
Work Step by Step
a: element: It has only one kind of atom in the substance.
b: compound: It has more than one kind of atom in the substance.
c: mixture: It is made by mixing two substance together.
d: element: It has only one kind of atom in the substance.
e: mixture: It is made by mixing two substance together.
f: compound: It has more than one kind of atom in the substance.
