Intro to Chemistry Crossword

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Across
  1. 3. The center of the atom where protons and neutrons are found; it holds most of the atoms mass
  2. 4. ____________ is a change in matter that does not change the substances identity, the substance is still the same, just looks different.
  3. 6. ____________ is a change that creates a new substance with different properties, you cannot easily get back the original substance.
  4. 8. A high-energy state of matter made of charged particles.
  5. 9. Has a negative charge, is important for how atoms bond and interact with each other.
  6. 10. Liquid → Solid
  7. 13. Has no charge, helps add mass to the atom and keeps the nucleus stable.
  8. 14. The amount of matter in an object
  9. 15. A state of matter with a definite shape and definite volume. Particles are tightly packed and only vibrate in place.
Down
  1. 1. has a positive charge, helps determine what element an atom is.
  2. 2. Solid → Gas
  3. 5. Plasma forms at very high ______________.
  4. 7. Anything that has mass and takes up space.
  5. 9. Liquid → Gas
  6. 11. A state of matter with a definite volume but no definite shape. It takes the shape of its container.
  7. 12. How tightly packed matter is in a substance.