Which refers to a mixture that contains more than one phase in which the characteristics of the particles vary throughout the mixture?

This type of mixture is a heterogeneous mixture. It is any mixture that is not uniform. Heterogeneous mixtures always have more than one phase.It is made up of substances which stays physically separate with each other. Best example is a mixture of sand and sugar. If you get two samples from different points of the mixture and analyze it, you will see that the concentrations of the components are different and that the two solid phases never combine with each other.

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The closer the atoms are to becoming ionic the more highly dense the negatively charged side gets.