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3 cards from this section. Quick, good the night before a test.
Define a compound.
Think about the elements and their chemical combinations.
What happens to the properties of elements when they form a compound?
Consider the iron and sulfur example.
What defines a compound?
Think about how elements combine.
True or False: Compounds can be separated by physical means.
Think about the properties that remain intact in mixtures.
Given powdered sodium and chlorine gas, describe the expected outcome of heating these substances together. What type of product would result, and how could it be represented chemically?
Think about how common salt is formed.
Design an experiment to demonstrate the difference between a mixture and a compound using materials available in a typical kitchen. Describe your procedure and the expected results.
Think about what happens before and after chemical reactions in your kitchen.
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