Q1. Use subshell notation to show electron arrangements in:
i) Kr ii) F– iii) N3-
iv) K+ v) S2- vi) Li+
Q2. Write an equation to show the third ionization energy of aluminium
Q3. The first six ionisation energies of an element in period 3 are 787, 1577, 3232, 4356, 16091, and 19805 kJmol-1.
i) Identify the element, explaining your reasoning.
ii) Predict the value of the seventh ionisation energy, explaining your reasoning.