Chemistry Crossword

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Across
  1. 1. The basic unit of a chemical element
  2. 2. A group of elements with low chemical reactivity
  3. 4. A subatomic particle with a negative charge
  4. 7. A type of chemical bond where atoms share electrons
  5. 8. An atom with the same number of protons but a different number of neutrons
  6. 12. A compound formed by the reaction of an acid with a base
  7. 13. A solid material that is typically shiny and malleable
  8. 16. A group of atoms bonded together
  9. 18. A substance made up of two or more elements
  10. 19. A chemical element with the symbol H
Down
  1. 1. A group of soft, highly reactive metals
  2. 3. A subatomic particle with no charge
  3. 5. A subatomic particle with a positive charge
  4. 6. A state of matter that has no fixed shape or volume
  5. 9. A chemical element with the symbol O
  6. 10. A pure substance that cannot be broken down into simpler substances
  7. 11. A substance that can accept hydrogen ions
  8. 14. A substance that can donate hydrogen ions
  9. 15. A chemical element with the symbol C
  10. 17. A state of matter that has a fixed volume but no fixed shape