AQA GCSE BIOLOGY NERVOUS SYSTEM
What is the charge of a proton? - +1 What is the charge of a neutron? - 0 What is the charge of an electron? - -1 What is the relative mass of a proton? - 1 What is the relative mass of a neutron? - 1 What is the relative mass of an electron? - Very small How many types of atoms do elements contain? - Only one type What are compounds? - Substances containing two or more different elements that are chemically bonded together What are mixtures? - Substances containing two or more different elements that are not chemically bonded together What pattern is formed from carrying out paper chromatography? - Chromatogram Which method of separation is useful to separate an insoluble solid from a liquid? - Filtration
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- 17 februari 2024
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aqa gcse chemistry paper 1
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aqa gcse biology nervous system