8.3 Group VII properties
Cambridge (CIE) IGCSE Chemistry Revision Notes
📌 Topic 8: The Periodic Table
8.1 Arrangement of elements
1 Describe the Periodic Table arrangement in periods and groups by increasing proton number▼
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2 Describe change from metallic to non-metallic character across a period▼
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3 Relate group number to charge of ions formed▼
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4 Explain similarities in chemical properties of elements in the same group▼
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8.2 Group I properties (Alkali metals)
1 Describe trends down Group I: decreasing melting point, increasing density, increasing reactivity▼
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8.3 Group VII properties (Halogens)
1 Describe trends down Group VII: increasing density, decreasing reactivity▼
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2 State appearance of halogens at r.t.p.▼
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3 Describe displacement reactions of halogens with halide ions▼
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8.4 Transition elements
1 Describe transition elements: high densities, high melting points, form coloured compounds, act as catalysts▼
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8.5 Noble gases
1 Describe noble gases as unreactive, monatomic gases due to full outer shell▼
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