- 32 Answer All Parts Of This Question A B Explain The Following Observations In First Ionisation Energies Ie Th 1 (25.94 KiB) Viewed 13 times
32. Answer ALL parts of this question. (a) (b) Explain the following observations in first ionisation energies (IE₁). Th
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32. Answer ALL parts of this question. (a) (b) Explain the following observations in first ionisation energies (IE₁). Th
32. Answer ALL parts of this question. (a) (b) Explain the following observations in first ionisation energies (IE₁). There is a large decrease in IE₁ between He and Li, Ne and Na and, Ar and K. (i) (ii) (iii) IE₁ is lower for Al than Mg. IE₁ is lower than IE2. (6 marks) Explain the trend in effective nuclear charge (Z*) going from left to right across periods in the periodic table and with reference to Z", rationalise why the ionic radii of the following anions decrease in the order shown: As³-> Se²-> Br. (4 marks)