matter

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Across
  1. 3. Electrons are a type of subatomic particle with a negative charge
  2. 4. a measure of how compact the mass in a substance or object is.
  3. 6. the amount of space occupied by any three-dimensional solid.
  4. 7. quantitative measure of inertia, a fundamental property of all matter
  5. 9. property any property that can be observed using the five senses or can be measured without changing the matter
  6. 10. a tiny particle
  7. 12. A basic part of a whole
Down
  1. 1. property a specific characteristic of a substance like an element or a compound, relating to how it can change as a result of a reaction
  2. 2. a subatomic particle with a positive electrical charge
  3. 5. the amount or quantity of heaviness or mass; amount a thing weighs.
  4. 8. formed when two or more substances are mixed but are NOT chemically combined.
  5. 11. anything that up space