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GCSE AQA Chemistry Paper 1
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#1. Are non-metals usually shiny or dull in colour?
#2. Oxygen is in group 6 and fluorine is in group 7. How many fluorine atoms bond with one oxygen atom?
#3. Why did Ernest Rutherford's experiments with gold foil demonstrate that most of atoms consists of empty space?
#4. Which of the following descriptions matches the term empirical formula?
#5. Fill in the gap. Metal atoms bond forming a giant ......... of ions.
#6. Are metals usually good conductors of electricity?
#7. What state of matter has particles which are close together and vibrate around fixed positions?
#8. Complete the equation: HCl (aq) + KOH(s) → ..... + .....
Select all that apply:
#9. During a neutralisation reaction which salt is formed from nitric acid?
#10. True or false - Precipitation reactions can be either exothermic or endothermic.
#11. Which of these best describes metallic bonding?
#12. Why is graphite softer than diamond?
#13. Which of these are common properties of simple molecular (covalent) materials?
Select all that apply:
#14. When a mixture of rocks, salt and water is filtered, what will be the residue?
#15. Where is most of the mass of an atom?
#16. Which of the following was the Rutherford Model of atomic structure?
#17. Are non-metals usually good conductors of heat?
#18. When using inert electrodes to perform electrolysis with copper chloride solution, which products will be produced at the anode and cathode?
#19. If covalent bonds are very strong, then why does water have a low melting point?
#20. What is the chemical symbol for calcium?
#21. What is the name of the phase change from solid to liquid?
#22. What is the chemical symbol for magnesium?
#23. Displacement reactions sometimes occur between a metal and a compound of a less reactive metal. Are these reactions endothermic or exothermic?
#24. Which of the following descriptions matches the Mᵣ of a compound?
#25. Do metals usually have a high or low melting point?
#26. What is the chemical symbol for mercury?
#27. Complete the following equation describing a neutralisation reaction with a metal oxide: metal oxide + acid → .... + ....
Select all that apply:
#28. Complete the following equation: MgO (s) + H₂SO₄ (aq) → .... + ....
Select all that apply:
Neutralisation reactions follow the general structure –
metal oxide acid = salt water
the acid produces hydrogen ions and the metal oxide produces oxide ions – these combine to make the water
the salt is comprised of the remaining products – the metal and the other element from the acid
in this case, the other element is chlorine
The naming convention is to put the metal first for the salt created
#29. Which of the following are strong acids?
Select all that apply:
#30. What is the chemical symbol for phosphorus?
#31. Which process can be used to separate water from dissolved salts, whilst keeping both substances?
#32. How could you separate a mixture of sand and salt?
#33. What is the electronic configuration of a nitrogen atom? ? you might need a periodic table to answer this question
#34. What is the name of the phase change from gas to liquid?
#35. What is the charge of a proton?
#36. What is the name of the phase change from solid to gas?
#37. Why do simple molecules not conduct electricity?
#38. What is the name of the force that holds together ions in ionic compounds?
#39. What is the formula for the polyatomic ion carbonate?
#40. Copper can be purified using electrolysis of copper sulfate solution. For this process we use the setup in the image below. Complete the half equation for the reaction at the cathode. Cu²⁺ + 2e →
#41. Most ionic bonds are formed between which groups?
#42. Covalent compounds typically form between which two types of material?
#43. Complete the following equation describing a reaction with a metal and an acid: metal + acid → .... + ....
Select all that apply:
#44. Solutions of less than pH 7 are?
#45. What is the chemical symbol for lithium?
#46. What is the formula for the polyatomic ion ammonium?
#47. Solutions of pH 7 are?
#48. What is the name of the phase change from liquid to solid?
#49. Is water an example of a covalent compound?
#50. Which of the following descriptions matches the Aᵣ of an element?
#51. In aqueous solutions such as sodium chloride solution, there will be positively charged ions from the salt (Na⁺) as well as hydrogen ions (H⁺). What is the rule that determines which will be discharged at the cathode.
#52. What is the formula for the compound calcium nitrate which is made of calcium and nitrate ions (NO₃⁻)?
#53. Why is magnesium a better electrical conductor than sodium?
#54. Which of the following are weak acids?
Select all that apply:
#55. What is the boiling temperature of water?
#56. What method can we use to separate multiple types of liquids?
#57. What is the approximate radius of an atom?
#58. Calculate the relative formula mass of water. Hydrogen Aᵣ = 1, Oxygen Aᵣ = 16.
#59. Which of the following things were hypothesised by John Dalton in 1805? ? select 4 answers
Select all that apply:
#60. What is the chemical symbol for hydrogen?
#61. Which of these is a problem with dot and cross diagrams?
#62. What is the chemical symbol for carbon?
#63. During electrolysis which electrode do anions and cations migrate to?
#64. Which of these are common properties of giant covalent materials?
#65. What is a solution called when it contains the maximum amount of solute that can dissolve in a solvent at a particular temperature?
#66. Acids produce an excess of what when they dissolve in water?
#67. Calcium nitrate contains the polyatomic ion NO₃⁻ (nitrate) and calcium. How many nitrate ions will be needed to make one molecule of calcium nitrate?
#68. What is the formula for potassium hydroxide?
#69. Reaction profiles are used to show the energy transfers during reactions. Which type of reaction is shown in this reaction profile?
#70. What do group 2 atoms do when they bond with group 6 atoms?
#71. What is the chemical symbol for gold?
#72. This image shows the apparatus used during fractional distillation. What is function of the fractionating column?
#73. During a neutralisation reaction which salt is formed from sulfuric acid?
#74. Why does graphite conduct electricity?
#75. Alkalis produce an excess of what when they dissolve in water?
#76. Fractional distillation is used to separate which types of materials?
#77. What the the least dense state of matter?
#78. What are giant covalent structures?
#79. What is the chemical symbol for iron?
#80. What is the formula for calcium hydroxide?
#81. What do group one atoms do when they bond ionically with group 7 atoms?
#82. Solutions of more than pH 7 are?
#83. What is the relative mass of an electron?
#84. What is the formula for sodium hydroxide?
#85. What is the chemical symbol for silver?
#86. Complete the equation: H₂SO₄(aq) + ZnO(s) → .... + ....
Select all that apply:
#87. Which of these is a problem with 3D ball and stick models?
#88. What is a simple molecular structure?
#89. What does the atomic number of an element mean?
#90. What is the formula for potassium oxide? ? you might need a periodic table to answer this question
#91. What is the approximate radius of a nucleus?
#92. When using inert electrodes to perform electrolysis with molten lead bromide, which products will be produced at the anode and cathode?
#93. Which of these is a problem with metallic models?
#94. Which three particles are atoms composed of?
#95. What is the chemical symbol for sulfur?
#96. What is the formula for sulfuric acid?
#97. Which of the following describes the Plum Pudding Model of atomic structure?
#98. Match the following description to the correct term. X is a mixture made of dissolved substances in a liquid.
#99. During crystallisation, there is a risk of spitting which could cause harm. Which of the following could reduce the risk?
Select all that apply:
#100. How many atoms of potassium (group 1) are needed to bond ionically with oxygen (group 6)?
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