questions State the group and period for all these elements i. V. W X y Proton number 17 20 24 Which of these element is not a metal? Predict the oxidation number of for element X and Y 6 marks b) 1. What is the ionization energy? ii. Write chemical equation equation to show the changes involved in a) the first ionization energy of magnesium b) the second ionization energy of magnesium 1 marks 2 marks Write the electronic configuration for W and Y 2 marks Suggest the formula compound for a compound that is made up 2 marks of W and X 1 marks 1 marks 1 marks
c) List the following element in the order increasing ionization energy 2 marks N AI O Na F c) The proton number of the element P.Q and R these element are shown below. Element Proton number P 9 Q 11 (a) Arrange P,Q and R in order of increasing atomic radius. Explain your answer 1 mark 2 marks (b) Give TWO (2) factors that effect the atomic size (c) i. Define the electronegativity R 15 2 marks ii. With references to the periodic table, arrange the electronegativity of the 3 marks following element in ascending order. Bromine(Br), Chlorine (CI), Rubidium (Rb), Magnesium (Mg), Aluminium (Al) 3 marks
a) The table below show the proton number for three W, X, Y ii. iii. iv. Element Based on the information given, answer the following a) The table below show the proton number for three W, X, Y ii. iii. iv. Element Based on the information given, answer
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