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A substance that cannot be broken down into any other substance by physical or chemical means is a(n) _____.
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Element
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A substance made of two or more elements chemically combined in a set ratio is a _____.
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Compound
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Is the example below an element or a compound?
Cu |
Element
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Is the example below an element or a compound?
ZnCl2 |
Compound
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Is the example below an element or a compound?
O |
Element
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Is the example below an element or a compound?
H |
Element
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Is the example below an element or a compound?
H2O |
Compound
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Is the example below an element or a compound?
2CuSO4 |
Compound
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Is the example below an element or a compound?
H2 |
Compound
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Is the example below an element or a compound?
Cl |
Element
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