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State the trend in electronegativity for the elements of group 17 and explain why this trend occurs.
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The boiling points of ammonia (NH3), fluorine (F2) and bromine (Br2) are -33, -188 and +59 degrees celsius respectively. Explain the differences in these boiling points, including the names of any relevant forces and particles.
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Why do transition metals form coloured compounds?
Calculate the mass, in grams, of CH3CH2NH2 produced from 32.9 g of CH3CH2I reacting with an excess of NH3 assuming a 70.0% yield.
What are 3 characteristics of Benzene that go against the proposed Kekule model?
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