Question

Write one sentence defining pure substances and one sentence defining mixtures.

Write one sentence describing the similarity between pure substances and mixtures, and one sentence describing the difference between pure substances and mixtures.

Answer 1

Answer: Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure. A mixture is made when two or more substances are combined, but they are not combined chemically. Mixtures and pure substances are similar in that they are both matter, so they are both composed of atoms.

Step-by-step explanation: