Handout 1 3.0 / 5 based on 2 ratings ? ChemistryUniversityNone Created by: Grace KingstonCreated on: 28-10-12 00:59 10873126459 Across 1. have an excess of electrons and are negatively charged (6) 4. A deficiency of electrons and are positively charged (7) 5. the smallest particle that has unique chemical characteristics (4) 9. CANNOT be broken down chemically to simpler substances e.g. copper, helium (8) Down 2. strong electrostatic attractions between cations and anions in a crystalline solid structure (lattice). (5, 5) 3. the total number of protons and neutrons in the nucleus (4, 6) 6. dissolved substance (smaller amount)e.g. salt in seawater (6) 7. component present in larger amount e.g. water in seawater (7) 8. uneven composition e.g. granite (13) 10. Spherical shape with nucleus at centre (5, 2, 1, 7)
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