Question

1. sorting: place in correct column (pure substance vs. mixture): gold, kool - aid, oxygen, granite. pure substances a. b. mixture a. b. 5. fill - in - the - blank: elements are made up of only one kind of ________. 6. short answer: how is a compound different from a mixture?

Explanation:

Step1: Define pure substances and mixtures

Pure substances are made of one type of particle, while mixtures have multiple substances.

Step2: Categorize given substances

Gold is an element, oxygen is an element, so they are pure substances. Kool - Aid is a mixture of powder and water etc., granite is a mixture of minerals.

Step3: Recall element composition

Elements are made up of only one kind of atom.

Step4: Differentiate compound and mixture

Compounds have a fixed ratio of elements chemically combined, mixtures have substances physically combined in variable ratios.

Answer:

1. Pure Substances: A. Gold, B. Oxygen; Mixture: a. Kool - Aid, b. Granite
2. atom
3. Compounds have a fixed ratio of elements chemically combined, while mixtures have substances physically combined in variable ratios.