c5 0.0 / 5 ? ChemistryThe earth and its atmosphereStructure and bondingRocks, ores, metals and alloysMetals, metal ores and alloysGCSEOCR Created by: SgmjbCreated on: 28-04-16 18:32 25481371069 Across 1. how are less reactive metals extracted (5, 4, 6) 5. when atoms share bonds (8) 6. positive electrode (6) 9. covalent bonds are (6) Down 2. how most non-metals exist (9) 3. hardest naturally occurring substance (7) 4. the earth's rigid outer layer (11) 7. most common element in the lithosphere (6) 8. what are metals extracted from (3) 10. negative electrode (7)
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