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7 Cards in this Set
- Front
- Back
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Matter |
What organisms are composed of; anything that takes up space and has mass |
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What is matter made up of? |
Elements |
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Elements |
is a substance that cannot be broken down to other substances by chemical reactions |
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How many elements are occurring in nature? |
92 elements |
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Compound |
is a substance consisting of two or more different elements combined in a fixed ratio |
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Emergent Properties |
a compound has characteristics different from those of its elements |
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Essential Elements |
an organism needs to live |
