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

Elements and compounds are considered mixtures.

is it correct?

No, that is not correct. The mistake the student made on their table is:

Mixtures are substances that are not chemically combined.

This statement is incorrect because mixtures are physically combined substances, not chemically combined.

are you sure

I apologize for the confusion in my previous responses. I made an error in my responses. The mistake in the student's table is actually:

Mixtures are substances that are not chemically combined.

This statement is incorrect because mixtures are physically combined substances, not chemically combined. Thank you for pointing out the error, and I apologize for the confusion.