MARIYA INTERNATIONAL SCHOOL. Work sheet I. Term II. Level 8 Chemistry [MCQ] Name: THE PRTIODIC TABLE OF ELEMENTS

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1 MARIYA INTERNATIONAL SCHOOL Work sheet I Term II Level 8 Chemistry [MCQ] Name: THE PRTIODIC TABLE OF ELEMENTS 1. Which pair of elements will react together most violently? A. chlorine and lithium B. chlorine and potassium C. iodine and lithium D. iodine and potassium 2. The table shows some information about elements in Group VII of the Periodic Table. Which information about iodine completes the table?

2 3. The diagram shows a section of the Periodic Table. Which element is described below? A colourless, unreactive gas that is denser than air. 4. Which is not a characteristic property of transition metals? A. act as catalysts B. form coloured compounds C. high melting point D. low density 5. Element Q has 4 electrons in its outer shell and has 69 neutrons. Q conducts electricity. What is Q? A. carbon (C) B. lead (Pb) C. thulium (Tm) D. tin (Sn) 6. An element does not conduct electricity and exists as diatomic molecules. Where in the Periodic Table is the element found?

3 7. In the Periodic Table, how does the metallic character of the elements vary from left to right across a period? A. It decreases. B. It increases. C. It increases then decreases. D. It stays the same. 8. The elements in a group of the Periodic Table show the following trends. i. The element with the lowest proton number has the lowest reactivity. ii. All the elements in the group form basic oxides. iii. The density of the elements increases down the group. iv. The melting point of the elements decreases down the group. In which group are the elements found? A) I B) IV C) VI D) VII 9. Which element is a transition metal? 10. Which metal reacts with steam but not with cold water? A. calcium B. copper C. sodium D. zinc 11. Magnesium, on the left of Period Two of the Periodic Table, is more metallic than chlorine on the right of this Period. Why is this? Magnesium has A. fewer electrons. B. fewer protons.

4 C. fewer full shells of electrons. D. fewer outermost electrons. 12. A student is asked to complete two sentences. Metallic and non-metallic elements are classified in the (i) This can be used to (ii) the properties of elements. Which words correctly complete the gaps? 13. Which material is an alloy that contains a non-metallic element? A. brass B. haematite C. manganese D. steel 14. Where in the Periodic Table is the metallic character of the elements greatest?

5 15. Two statements about argon are given. 1 Argon has a full outer shell of electrons. 2 Argon is very reactive and is used in lamps. Which is correct? A Both statements are correct and statement 2 explains statement 1. B Both statements are correct but statement 2 does not explain statement 1. C Statement 1 is correct but statement 2 is incorrect. D Statement 2 is correct but statement 1 is incorrect. 16. Which properties of the element titanium, Ti, can be predicted from its position in the Periodic Table? 17. The following statements are about elements in the Periodic Table. 1 Their atoms have a full outer shell of electrons. 2 They form basic oxides. 3 They are found in Group 0. 4 They are present in small quantities in the air. Which statements are correct for the noble gases? A 1, 2 and 3 B 1, 2 and 4 C 1, 3 and 4 D 2, 3 and In the outline of the Periodic Table below, some elements are shown as numbers. Which two numbers are metals in the same period? A 1 and 2 B 1 and 7 C 3 and 5 D 5 and 6

6 19. The positions of four elements in the Periodic Table are shown. Which element does not form a compound with chlorine? 20. The noble gases, which are in Group 0 of the Periodic Table, are all very , one of these gases, is used to provide an inert atmosphere in lamps. Another, , is used for filling balloons because it is less dense than air. Which words complete the sentences about noble gases? 21. X is a Group I metal. Y and Z are Group VII elements. When X reacts with Y a salt is formed. A solution of this salt reacts with Z to form a different salt. What are X, Y and Z?

7 22. Which statement about the Periodic Table is correct? A Elements in the same period have the same number of outer electrons. B The elements on the left are usually gases. C The most metallic elements are on the left. D The relative atomic mass of the elements increases from right to left. 23. Why is argon gas used to fill electric lamps? A It conducts electricity. B It glows when heated. C It is less dense than air. D It is not reactive. 24. An element melts at 1455 C, has a density of 8.90 g / cm 3 and forms a green chloride. Where in the Periodic Table is this element found? 25. Element X is a non-metal. In which position of the Periodic Table could element X be found? A at the bottom of Group I B at the top of Group 0 C at the top of Group I D in the transition elements

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