C4 Predicting and identifying reactions and products.C2.3.2 explain how observed simple properties of Groups 1, 7 and 0 depend on the outer shell of electrons of the atoms and predict properties from given trends down the groups.C2.3 How do metals and non-metals combine to form compounds?.6.13 Explain the relative reactivity of the halogens in terms of electronic configurations.6.5 Explain this pattern in reactivity in terms of electronic configurations.5.1 Atomic structure and the periodic table.Explain how the observed simple properties of Group 7 depend on the outer shell of electrons of the atoms and predict properties from given trends down the group.Explain how the observed simple properties of Group 1 depend on the outer shell of electrons of the atoms and predict properties from given trends down the group.Students should be able to: explain how properties of the elements in Group 1 depend on the outer shell of electrons of the atoms.Students should be able to: explain how properties of the elements in Group 7 depend on the outer shell of electrons of the atoms.4.1 Atomic structure and the periodic table.Explanations in terms of atomic radius, screening effect and nuclear charge for general trends in proprties of elements in groups I and VII. ![]() ![]() Explanations for general trends in values: (i) down a group Explanations for trends in values: (i) down a group
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