Chemistry- structure and bonding 3.0 / 5 based on 1 rating ? ChemistryStructure and bondingChapter 3IGCSEAQA Created by: Splash HeslinCreated on: 17-12-14 16:23 Ionic bonding Between a metal and a non metal. Giving away/ gaining electrons. 1 of 12 Ionic substances High melting point, metal and non-metal, can conduct electricity when dissolved in water or melted. 2 of 12 Ions in ionic substances are held together by electrostatic force of attraction (positive and negative) to create a giant lattice. 3 of 12 Convalent bonding Between two non-metals, sharing electrons. 4 of 12 Convalent substances Don't conduct electricity, low melting point, two non-metals. 5 of 12 When you melt convalent substances, you break the weak.. ...inter molecular forces. 6 of 12 How many convalent bonds do diamond and graphite have? 4 and 3. 7 of 12 Why can graphite conduct electricity? Delocalised electrons between the layers. 8 of 12 Fullerenes Made of hexagons and pentagons. They are used as catalysts, lubricants, and drug delivery to the body. 9 of 12 Do fullerenes have high or low melting/boiling points? High. 10 of 12 Nano science Very small, used in cosmetics, sunscreen, medicane 11 of 12 Risks of nanoscience Explosions, end up in the air and blood streme. 12 of 12
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