PLSSS HELP ME Which property describes a mixture?

A. It cannot be separated by physical methods.

B. It has a single chemical composition.

C. It cannot have more than one state of matter.

D. It cannot be described by a chemical symbol or formula.

beta decay is the answer

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.