Module C4 3.0 / 5 based on 2 ratings ? ChemistryGCSEOCR Created by: JessCreated on: 11-01-13 09:45 83672914105 Across 1. Test for Sulfate Ions uses... (6, 8) 4. Loss of electrons (9) 5. Group 7 Elements (8) 6. Colour of Bromide Ions precipitate (5) 7. Different forms of the same elements (8) Down 2. Example of tap water impurity (4, 9) 3. What is the total number of protons and neutrons called? (4, 6) 8. Something that moves around the nucleus in shells (9) 9. First step of water purification (10) 10. How many electrons fit in the 3rd shell? (5)
Comments
No comments have yet been made