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Type: Multiple-Choice
Category: Molecules and Compounds
Level: Grade 8
Score: 3
Author: lrhalliday
Last Modified: 13 years ago

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Molecules and Compounds Question

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Grade 8 Molecules and Compounds

Which of the following is not true about compounds?
  1. Compounds are combinations of elements that join specific ratios according to their masses.
  2. The mass ratio of a specific compound is always the same.
  3. Compounds are random combinations of elements.
  4. Different mass ratios mean different compounds.