2.5.M - Lesson: What Is Matter? Assessment: Chemistry
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The smallest particle of an element that still retains the characteristics of the element is called what?
Atom
___________ are combinations of two or more elements that have been combined chemically.
Compounds
If you have two liquids with two different boiling points, which separation method would you use?
Distillation
Which separation method would you use to collect sea salt from the ocean?
Evaporation
___________ have a varying composition and can be separated by physical means.
Mixtures
Which separation method would you use to purify gold?
Smelting
Which one of the following is NOT one of the four phases of matter?
Space
