Bonding, structure and the properties of matter 0.0 / 5 ? ChemistryPolymersStructure and bondingNanoscienceGCSEAQA Created by: ashi25Created on: 19-10-19 09:18 79102143658 Across 1. Small molecules have ___ melting and boiling points. (3) 3. Ionic compounds can conduct electricity if they are ______ or _________. (6, 9) 4. Nanoparticles are between ___ to ___ _______ nanometres in size (give the numbers in letters). (3, 3, 7) 5. Diamond, graphite, graphene and fullerenes are all __________ __ ______. (10, 2, 6) 8. Fullerenes can be used in the _______ field of science to trap drugs and take them into the body. (7) 9. Metal atoms are bonded with each other through ___________ _________. (11, 8) 10. Calcium forms a ___ + ion (give the number in letters). (3) Down 2. Polymer molecules are long chains of repeating covalently-bonded sections called ________. (8) 6. Between two oxygen atoms there must be a ______ covalent bond. (6) 7. ____ giant covalent ctructures cannot conduct electricity, but ____ can (some,most). (4, 4)
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