Taylor is learning about pure substance and mixture. In her notes, she included a table with the properties of pure substances and mixtures.

Pure substances:
• elements and compounds
• cannot be separated using physical means

Mixtures:
• contains two or more substances
• are chemically combined

Which option BEST describes the error in the Taylor's table?

Mixtures are substances that are not chemically combined.
Elements and compounds are considered mixtures.
Pure substances can be separated using physical means.
Mixtures contain two or more substances.

Elements and compounds are considered mixtures.