Chemistry Crossword

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Across
  1. 2. a chemical, present at the start of a chemical reaction, that is used up during the reaction
  2. 4. Bromide the chemical name for LiBr
  3. 5. Compound a pure substance formed from two or more non-metals
  4. 8. The Group 2 elements, the most reactive group on the periodic table
  5. 10. molecule a molecule consisting of only two atoms of either the same or different elements
  6. 11. rapid reaction of a substance with oxygen to produce oxides
  7. 16. a compound that separates into ions when it dissolves in water, producing a solution that conducts electricity
  8. 18. a solid formed from the reaction of two solutions
  9. 20. Property A characteristic behavior that occurs when the substance changes into something new
  10. 22. Oxide the chemical name for BaO
  11. 23. Earth Metals The Group 2 Elements
Down
  1. 1. electrons outer electrons
  2. 3. Ion an ion made up of more than one atom that acts as a single particle
  3. 6. (II) Oxide the chemical name for PbO
  4. 7. ions with a positive charge
  5. 8. acid the chemical name for HCI
  6. 9. for molecular compounds what's the prefix for 4
  7. 12. Gases The Group 18 elements
  8. 13. Oxide the chemical name for BeO
  9. 14. Property a description of a substance that does not involve forming a new substance (colour, texture and density)
  10. 15. a particle in which atoms are joined by covalent bonds
  11. 17. Neither acidic or basic; with a pH of 7
  12. 18. a chemical that is produced during a chemical reaction
  13. 19. ions that have negative charges
  14. 21. Bond The attraction that holds oppositely charged ions together in a compound
  15. 24. Metal The Group 1 Elements