a pure element is the simplest form of an atom, having nothing else in it. example Na.
A pure element is only composed of atoms of its kind; for example pure sodium is made up of sodium atoms only, and nothing else.
Pure gold is an element.
Uranium is a natural chemical element, a pure element.
pure substance
All elements are pure substances.
Pure gold is an element. (AU)
Neither. It is an element. Also, by definition if a substance is pure it cannot be a mixture; it mus either be an element or a compound.
AnswerNo It is not a pure substance because it contains more than one element.
Silk is a natural protein fiber, not mixed with any extraneous materials, element.
Ca is an element. It is a pure substance, which, by definition, is homogeneous matter, but is not a mixture.
Elements are those pure substances which are formed by only one kind of atoms.
IRON is an element. so no. an element by definition is an atom that cannot be broken down into further parts (even though they can). But pure iron is not a mixture, no.
He stands for helium which is a pure element
Pure gold is an element.
Uranium is a natural chemical element, a pure element.
pure substance
No. By definition an element is not a mixture.
Yes, scandium is a pure element.