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3.1. A sub atomic particle with no charge [1] 3.2 Carbon dioxide [2] 3.3 A substance made up of two or more types of atoms. [3] 3.4 Hydrogen [4] 3.5 Substance with definite physical and chemical properties and a fixed composition [5]

5.8. Name the three phases of the state of matter? (3)   [1] [2] [3]  

7.3  Using the correct formula, calculate the density of 175 cm3 water with the mass of 175,70 g  (Show all your calculations and round off to 2 decimal places) (4)

Look at the following diagram of a neutral atom and answer the questions     Right-click on the blue button below to open the diagram in a new tab:     4.1 How many particles are in the atom:  (2)   A)   Electrons [1]     B)   Protons? [2]   

Choose the most correct term from the options below.   1.1 When preparing ice cubes for our cool drinks, the process is called: (1)

Use this graph to answer the following questions Right-click on the blue button below to open the graph in a new tab.     

Study the table below and fill in the missing descriptions. Right-click on the blue button below to open the diagram in a new tab: Phase Solid Liquid Gas Drawing showing the arrangement of atoms in the phase          Type of movement [1] [4] [6] Forces between the atoms (strong/weak) [2] Forces weaker than in solid [7] Spaces between particles [3] [5] Empty spaces between the atoms are very large   

GRAND TOTAL: [50]

6.3 Which point on the graph indicates the melting point of ice? Write only the appropriate letter. (1)

7.2 Which of the liquids in the table will float on water? Give a reason for your answer (3)