Author: Anonymous

  QUESTION 6   The properties of substances A to G are shown in the following table: Substance Melting point (°C) Electrical conductivity Solubility in water     solid liquid   A -112 poor poor insoluble B 680 poor good soluble C -70 poor poor insoluble D 1495 good good insoluble E 610 poor good soluble F 1610 poor poor insoluble G 660 good good insoluble       6.1 Which of the seven substances are metals? Give reasons for your choice. (2)   6.2 Which of the substances are ionic compounds? Give reasons for your choice. (2)   6.3. Two of the substances have very low melting points, compared with the rest. Explain why these could not be ionic compounds. (1)   6.4. Two of the substances are molecular. Which two are they? (1)   6.5. Which substance is a giant covalent structure?  Give reasons for your choice. (2)       [8]

INSTRUCTIONS 1. Ensure that you answer all the questions. The paper is 90 minutes. 2. Questions 10 (multiple choice) is answered on the system. Question 1 to 9 must be written on paper.  Once all questions have been answered, press ‘submit’. You will then be taken to an upload section. You will have 30 minutes to scan and upload your test. Name your file NAME_IG_JUNE_EXAM. 3. Calculators may be used. 4. Only the specification data booklet may be used. There is a link to it below if you have not printed a copy. 5. Any pictures related to questions can be accessed by pressing on the related button. 6. It is in your own interest to read each question carefully before answering. You have 90 minutes for 70 Marks.   Right-click on the button to open the data booklet in a new tab.    

  QUESTION 2   The numbers of electrons, neutrons, and protons in four particles, W, X, Y, Z, are shown in the table below.   Particle Electrons Neutrons Protons W 10 12 11 X 10 14 12 Y 16 16 16 Z 18 18 16   2.1 Which particle is a negative ion? (1)   2.2 Which particle is a positive ion? (1)   2.3 Which two particles are isotopes? (1)   2.4 State the group that particle X is found in on the periodic table (1)   2.5 How many energy levels does W have? (1)       [5]

5.2 Explain how the iPhone is an example of globalisation. (3)

10.3 Which two molecules contain the same amount of electrons?   A Cl2 and SO­­2 B CH4 and H2O C CO and NH3 D CO2 and HCl   [1]

10.7 The halogens are elements in Group 7 of the Periodic Table. Chlorine gas is   A  brown B colourless C  green D violet [1]

  QUESTION  5   The following question refer to sodium chloride, a chemical commonly found in most households.   5.1 Is sodium chloride a mixture or a pure substance? (1)   5.2 What bond is found in sodium chloride? (1)   5.3 What structure does sodium chloride have? (1)   5.4 Draw the dot and cross diagram of only the outer energy shell for sodium chloride (2)   5.5 Explain why sodium chloride conducts electricity when molten. (1)       [6]

10.1 Which diagram illustrates diffusion? [1] Right-click on the button to open the data booklet in a new tab.  

10.2 Element Y has 10 protons. Element Z has 11 protons. Which statement is correct?   A  Element Z has one more outer electron shell than element Y. B  Element Y is in the same group as element Z. C  Element Z is in the same period as element Y. D  Element Z has the same amount of electrons as element Y. [1]

3.3 The cartoon indicates a battle between non-renewable and renewable resources. Explain why you believe that this battle is happening. (4)