which of the following is not a pure substance a.element b.molecule c.compound d.mixture

Question

which of the following is not a pure substance  a.element b.molecule c.compound d.mixture

abb0t · Answer

by definition, a "pure substance" is one that has a constant chemical composition and characteristic properties. It cannot be separated into components by physical separation methods

anonymous · Answer

So would it be d. mixture?

abb0t · Answer

No. A mixture is combosed of two thngs and can be separated.

abb0t · Answer

The only possible answer is element. It cannot be separated by physical means. Even if you break apart a cube of gold, it is still gold. You can melt it, boil it, still gold tho. Does tha tmake sense?

anonymous · Answer

Yes I get it now thank you I just discovered this site and it helps a lot thank you!