Y10 Adv Science (Chemistry) Recall Xword

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Across
  1. 2. another name for a hydrogen atom
  2. 3. atoms that lose or gain electrons
  3. 6. light and strong metal used in aircraft manufacturing
  4. 9. neither metals nor non-metals
  5. 12. a chemical ______ is a written chemical reaction
  6. 13. the number of electron shells of an atom
  7. 14. most metals have a high _______ point
  8. 20. hold ions together to form compounds
  9. 21. the electrons on the outer shell
  10. 22. an insoluble ionic compound
Down
  1. 1. compounds formed between metals and non-metals
  2. 4. the main gas in Earth's atmosphere
  3. 5. Can not be created nor destroyed during a chemical reaction
  4. 6. ____metals. The first group of the periodic table
  5. 7. metals are good conductors of
  6. 8. non-metals are mainly solids except this
  7. 10. sharing 4 electrons between atoms
  8. 11. most abundant element in the universe
  9. 15. ____ represent the number of valence electrons in the periodic table
  10. 16. the group of unreactive gases
  11. 17. the rule that requires 8 electrons on the outer shell
  12. 18. two or more atoms bonded together
  13. 19. bonds that share electrons