| matters | compounds |
|---|---|
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What is pure substance
matter that always has the same composition
|
What is compound
made from two or more simpler substances
|
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What is salt and sugar
two examples of a pure substance
|
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What is elements and compounds
two categories of a substance
|
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What is 100
how many elements are there
|
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What is element
a substance that can't be broken down
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