A student compiled data in a table to compare pure substances and mixtures.
Pure Substances
Mixtures
elements and compounds
contains two or more substances
. cannot be separated using physical means
are chemically combined
.
Which statement BEST describes the mistake the student made on their table?
( 1 point)
Mixtures contain at least three or more substances.
Elements and compounds are considered mixtures.
Mixtures are substances that are not chemically combined.
Pure substances can be separated using physical means.