INTERNATIONAL GCSE CHEMISTRY Paper 1,,,Thursday 4 November 2021

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Answer all questions in the spaces provided. box 0 1 This question is about elements. Figure 1 shows the symbols and the positions of five elements in the periodic table. Figure 1 Na Al Ar K Fe ... Use Figure 1 and the full version of the periodic table to answer Question 01. 0 1 . 1 What is the name of the element with the symbol Na? [1 mark] Tick () one box. Nickel Nitrogen Sodium Sulfur3 *03* Turn over ► IB/M/Nov21/9202/1 Do not write outside the Elements in the periodic table are arranged in columns known as groups. box 0 1 . 2 Which element in Figure 1 is in Group 3? [1 mark] Tick () one box. Al Ar Fe K Na 0 1 . 3 Which element in Figure 1 is a noble gas? [1 mark] Tick () one box. Al Ar Fe K Na 0 1 . 4 Which element in Figure 1 is a metal that can be used as a catalyst? [1 mark] Tick () one box. Al Ar Fe K Na 0 1 . 5 Give one reason why the elements Na and K have similar chemical properties. [1 mark] Question 1 continues on the next page4 *04* IB/M/Nov21/9202/1 Do not write outside the 0 1 . 6 An atom of the element fluorine has 9 electrons. box Complete Figure 2 to show the electronic structure of a fluorine atom. Use × to represent an electron. [1 mark] Figure 2 0 1 . 7 An element has a density of 1.82 g/cm3. Calculate the volume of a piece of this element with a mass of 9.10 g. Use the equation: Volume = mass density [2 marks] Volume = cm3 85 *05* Turn over ► IB/M/Nov21/9202/1 Do not write outside the 0 2 This question is about hydrocarbons. box 0 2 . 1 Name the two elements in a hydrocarbon. [2 marks [Show More]

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