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3 cards from this section. Quick, good the night before a test.
What is an element?
Think about substances that cannot be broken down further.
Can you give an example of a compound?
Think of substances that are made from two or more elements.
What is the main characteristic of an element?
Think of what separates elements from compounds.
True or False: A mixture can be separated by physical methods.
Consider how you would separate components of a salad.
If you have a solution that contains salt and water, how would you separate them, and what is the chemical nature of each component?
Consider how salt water changes when heated.
Differentiate between two examples of homogeneous mixtures and two examples of heterogeneous mixtures.
Think about whether the components are easily distinguishable.
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