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Topic 3. PERIODICITY (3.1 Periodic Table ((4 blocks - 4 sublevels - s, p,…
Topic 3. PERIODICITY
3.1 Periodic Table
4 blocks - 4 sublevels - s, p, d, f.
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Position of metals, non metals, & metalloids.
3.2 Periodic Trends
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Atomic radius, ionic radius, ionization energy, electron affinity, electronegativity.
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Application & Skills
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Equations to explain pH changes - Na2O, MgO, P4O10, oxides of nitrogen and sulfur with water.
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Guidance
Examples of general trends across periods and down the groups -- discontinuities in the increase of ionization energy across the period
Group trends: reactions of alkali metals with
water, alkali metals with halogens and halogens with halide ions
Guidance
Terms- Alkali metals, halogens, noble gases, transition metals, lanthanoids and actinoids.-should be known
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