Chemistry > GCSE QUESTION PAPER > GCSE CHEMISTRY Higher Tier Paper 1 (All)

GCSE CHEMISTRY Higher Tier Paper 1

Document Content and Description Below

The maximum mark for this paper is 100. • The marks for questions are shown in brackets. • You are expected to use a calculator where appropriate. • You are reminded of the need for good Engl ... ish and clear presentation in your answers. Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. GCSE CHEMISTRY Higher Tier Paper 1 H2 *02* IB/M/Jun21/8462/1H Do not write outside the 0 1 This question is about carbon and its compounds. box Fullerenes are molecules of carbon atoms. The first fullerene to be discovered was Buckminsterfullerene (C60). 0 1 . 1 What shape is a Buckminsterfullerene molecule? [1 mark] 0 1 . 2 Give one use of a fullerene. [1 mark] Propanone is a compound of carbon, hydrogen and oxygen. Figure 1 shows the dot and cross diagram for a propanone molecule. Figure 13 *03* Turn over ► IB/M/Jun21/8462/1H Do not write outside the 0 1 . 3 Complete Figure 2 to show a propanone molecule. box Use a line to represent each single bond. Use Figure 1. [1 mark] Figure 2 0 1 . 4 Determine the molecular formula of propanone. Use Figure 1. [1 mark] Molecular formula = 0 1 . 5 Propanone is a liquid with a low boiling point. Why does propanone have a low boiling point? [1 mark] Tick () one box. The covalent bonds are strong. The covalent bonds are weak. The intermolecular forces are strong. The intermolecular forces are weak.4 *04* IB/M/Jun21/8462/1H Do not write outside the box 11 0 1 . 6 Figure 3 represents the structure of graphite. Figure 3 Explain why graphite is: • a good electrical conductor • soft and slippery. You should answer in terms of structure and bonding. [6 marks]5 *05* Turn over ► IB/M/Jun21/8462/1H Do not write outside the Turn over for the next question box DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED6 *06* IB/M/Jun21/8462/1H Do not write outside the 0 2 This question is about atomic structure and the periodic table. box Gallium (Ga) is an element that has two isotopes. 0 2 . 1 Give the meaning of ‘isotopes’. You should answer in terms of subatomic particle [Show More]

Last updated: 3 years ago

Preview 1 out of 32 pages

Buy Now

Instant download

We Accept: