Plutonium is a pure chemical element.
Plutonium is not a compound, but a single chemical element.
Plutonium is a chemical element, not a compound or mixture.
Refined plutonium is an element.
Yes, plutonium is a reactive chemical element.
Pure water is a compound.
A pure element or a pure compound are homogeneous.
Californium is a pure element.
pure element
Pure gold is an element. (AU)
No, it is a pure element
A pure substance is either an element or a compound.
Pure gold is an element.