Chemistry crossword

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Across
  1. 3. Level The specific energies that electrons can have in an atom.
  2. 6. State of matter with no definite shape or volume.
  3. 7. Process where a liquid turns into a solid
  4. 9. Central part of an atom containing protons and neutrons.
  5. 10. State of matter with a definite shape and volume.
  6. 12. Process of liquid turning into a gas.
  7. 14. Positively charged particle in the nucleus.
  8. 15. Point Temperature at which a liquid turns into a gas.
  9. 17. Process of gas turning into a liquid.
Down
  1. 1. Process where a solid turns directly into a gas.
  2. 2. Temperature at which a solid turns into a liquid.
  3. 4. Number Sum of protons and neutrons in the nucleus.
  4. 5. Neutral particle found in the nucleus of an atom.
  5. 8. Negatively charged particle orbiting the nucleus.
  6. 11. State of matter with a definite volume but no definite shape.
  7. 13. Number Number of protons in an atom’s nucleus.
  8. 16. Atoms of the same element with different numbers of neutrons.