OCR GCSE Additional Science Student checklist C4 C4 – The Periodic Table Tick () red if you do not understand at all Tick () amber if you are fairly confident In your revision, focus on the red/amber columns Tick () green if you know this and can apply the ideas. I can: a R A |G Describe the particles in an atom and their relative charges and masses. Describe how the elements are arranged in the Periodic Table. Understand the connections between atomic structure and the Periodic Table. Describe the structure of isotopes. Describe Dalton’s atomic theory and how the work of JJ Thompson, Rutherford and Bohr contributed to our standing of atomic structure . Explain the significance of their work. b Describe how ions are formed. State that ionic compounds have high melting points and boiling points and conduct electricity when molten. Understand how to draw dots and cross diagrams for ionic compound. Explain the formation of ions in terms of electron arrangements. Understand how to work out the formulae for ionic compounds. Be able to explain why the melting point of sodium oxide is lower than that of magnesium oxide- in terms of structure and bonding. Explain the properties of ionic compounds. Be able to predict and explain properties of substances with giant ionic lattices. c State that non-metal atoms are joined together by covalent bonds. State that covalent compounds have low melting and boiling points. State the number of electrons in the outer shell of Group 1, 7 and 8 elements. Explain how elements are grouped in the Periodic Table according to their electronic structure. Understand how non-metals join to make molecules in terms of electrons. Understand why covalent molecules have specific properties. Describe evidence/observation used by Newlands and Mendeleev to arrange elements in to periodic arrangements. Explain how further evidence confirmed Mendeleev’s ideas on the Periodic Table. d State the properties of the Group 1 elements. Describe the use of a flame test to identify Group 1 metals. Describe the reactivity of Group 1 metals down the Group. Write word equations for the reactions of Group 1 metals. Understand how and why the Group 1 metals react in a similar way. Explain why the reactivity of Group 1 metals increases down the group. Write symbol equations for the reactions of Group 1 metals. 1 of 2 © Harcourt Education 2006, OCR Gateway Science This document may have been altered from the original. OCR GCSE Additional Science Student checklist C4 I can: e A B C State some uses of the Group 7 elements and their compounds. Describe how Group 7 elements react with alkali metals. Describe how the reactivity of the Group 7 elements changes down the Group. Describe how halogens react with halides .Be able to predict outcome of displacement reactions. Write word and symbol equations for the relevant reactions of Group 7 elements. Understand why the reactivity of the halogens changes down the Group. Understand how to predict the properties of other halogens. Explain the properties of the halogens in terms of atomic structure. f Understand which metals are transition metals. State some uses of transition metals. Describe the characteristic properties of transition metals. Describe the thermal decomposition of transition metal carbonates and the reaction of transition metal ions with sodium hydroxide. Write word and symbol equations for the thermal decomposition of transition metal carbonates and the reaction of transition metal ions with sodium hydroxide. g Describe the properties of a typical metal. Describe why particular metals are useful for a particular job. Explain the structure of metallic bonding and how it explains the properties of metals. For example how metals are able to conduct electricity. Describe what a superconductor is and some of their benefits. Explain the drawbacks of superconductors. h Describe where our water comes from and how it is purified. Explain the importance of clean water in developing countries. State the common pollutants in water and the sources of these. Describe tests for sulfate and halide ions. Write word equations for the reactions in the above tests. Explain the processes used in water purification. To include filtration, sedimentation and chlorination. Write symbol equations for the tests for sulfate and halide ions. 2 of 2 © Harcourt Education 2006, OCR Gateway Science This document may have been altered from the original.
© Copyright 2026 Paperzz