C2: structure and bonding 0.0 / 5 ? ChemistryStructure and bondingGCSEAQA Created by: studybuddy1101Created on: 30-01-19 18:34 What are ions made from two metals 1 of 29 A metal atom loses electrons to form a positive ion 2 of 29 Ionic compounds are called giant ionic compounds 3 of 29 Ionic compounds have very high melting and boiling points 4 of 29 why do ionic compounds have such high boling points very strong electrostatic forces between compounds 5 of 29 ionic compounds can conduct electricity only when they are molten/ in solution 6 of 29 covalent bonds are formed when two non metals bond 7 of 29 in covalent bonding the non metals share electrons 8 of 29 covalent bonds are very strong 9 of 29 intermolecular forces are very weak 10 of 29 polymers are solid at room temperature 11 of 29 giant covalent structures have very high boiling and melting points 12 of 29 diamond has all four of its carbon atoms bonded 13 of 29 diamond is very hard 14 of 29 graphite has three of its carbon atoms bonded and delocalised electrons 15 of 29 graphite conducts heat and electricity 16 of 29 graphite is arranged in sheets arranged in hexagons 17 of 29 Graphene is one sheet of graphite 18 of 29 graphene conducts electricity and heat 19 of 29 three uses of fullerenes drug delivery, industrial catalysts, lubricants 20 of 29 nano tubes are formed from fullerenes 21 of 29 in metallic bonding metal ions bond to each others delocalised electrons 22 of 29 metals are malleable and ductile 23 of 29 alloys are a mixture of two or more metals 24 of 29 alloys are harder than metals 25 of 29 In solids there are strong forces of attraction between particles 26 of 29 In Liquids there are weak forces of attraction between particles 27 of 29 In gases there are very weak forces of attraction between particles 28 of 29 Limitations of the particle model all three 29 of 29
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