Question

1 multiple choice 1 point
how is a compound different from a mixture?
mixtures are created through physical means; compounds are created through chemical reactions.
compounds are created through physical means; mixtures are created through chemical reactions.
mixtures, on average, are heavier than compounds.
compounds, on average, are heavier than mixtures.

Explanation:

Mixtures are formed by physically combining substances without changing their chemical identities. Compounds are formed when elements chemically react to create a new substance with a fixed composition and properties. Weight is not a defining difference between them.

Answer:

Mixtures are created through physical means; compounds are created through chemical reactions.