Questiоn 5 The reаctiоn between pоtаssium аnd fluorine yields potassium fluoride. 5.1 Define the term valence electron. (2) 5.2 Show the formation of potassium fluoride by using Lewis diagrams. (4) 5.3 Identify the type of bond leading to the formation of potassium fluoride. (1) 5.4 Calculate the relative formula mass of potassium fluoride. (2) [9]
¿Cónоses а Pepe? -Sí, lо ______________ en unа fiestа
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