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Type: Multiple-Choice
Category: Molecules and Compounds
Level: Grade 9
Score: 4
Author: der1228
Last Modified: 12 days ago

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Molecules and Compounds Question

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Grade 9 Molecules and Compounds

Which of the following terms describes a substance formed by the chemical combination of two or more elements in a fixed ratio?
  1. compound
  2. isotope
  3. nucleus
  4. enzyme
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