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