MATTER

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Across
  1. 4. particles are spread out indefinitely since they have a lot of space between them
  2. 6. negatively charged particle
  3. 8. Atoms and/or molecules in two or more elements can join together
  4. 10. neutrally charged particle
  5. 11. different kinds of atoms listed in the periodic table, with each kind constituting a unique chemical
  6. 13. a substance made by mixing other substances together.
Down
  1. 1. positively charged particle
  2. 2. a substance made up of various types of particles that occupies physical space and has inertia
  3. 3. A combination of atoms
  4. 5. have a definite shape, mass and volume, which prevents them from conforming to the shape and volume of a container where they are kept.
  5. 7. Atoms and/or molecules in two or more elements can join together
  6. 9. the building blocks of matter
  7. 12. particles are more loosely packed that enables them to flow around each other, which gives the liquid an indefinite shape.