Chemistry paper 1F 0.0 / 5 ? ChemistryPractise paperGCSEAQA Created by: Amelia200314Created on: 14-06-19 13:06 What type of bonding is present in calcium oxide? ionic bonding 1 of 16 In graphite, each carbon atom forms bonds with other carbon atoms. How many electrons does one carbon atom use to form one bond? 1 electron 2 of 16 What does copper conduct electricity as? A solid 3 of 16 How does copper conduct electricity? The movement of delocalised electrons 4 of 16 When does sodium chloride conduct electricity? When it has dissolved 5 of 16 Why does sodium chloride not conduct electricity? The ions are fixed 6 of 16 Why does molten chloride conduct electricity? The ions are mobile 7 of 16 Which group in the periodic table is known as the halogens? Group 7 8 of 16 What type of reaction happens when chlorine reacts with potassium bromide solution? displacement 9 of 16 Why is chlorine more reactive than bromine? Chlorine gains an electron more easily 10 of 16 Is a chlorine atom smaller or bigger than a bromine atom? Smaller 11 of 16 Why is a chlorine atom smaller than a bromine atom? Chlorine has fewer levels/shells of electrons 12 of 16 Which ion is found in all acids? h+ 13 of 16 Zinc nitrate can be produced by reacting an acid and metal oxide. name the acid and the metal oxide used to produce zinc nitrate. Nitric acid and zinc oxide 14 of 16 What does aq in an equation mean? dissolved in water 15 of 16 The pH of a solution is 8. Some hydrochloric acid is added to the solution. Suggest the pH of the solution after mixing? pH 5 16 of 16
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