Workout the formula for the following compounds: Potassium chloride Calcium sulphide Lithium sulphide Magnesium fluoride

The given compounds are ionic compounds. The chemical formulae of the given compounds can be find as, Compound Chemical formula Potassium chloride The ions are K + and Cl - One K + ion is needed for every Cl - ion. The formula is KCl . Calcium sulphide The ions are Ca 2 + and S 2 - . One Ca 2 + ion is needed for every S 2 - ion. The formula is CaS . Lithium sulphide The ions are Li + and S 2 - . Two Li + ions are required for every S 2 - ion. The formula is Li 2 S . Magnesium fluoride Two ions are Mg 2 + and F - . Two F - ions are needed to balance the charge on one Mg 2 + . The formula is MgF 2 .

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Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q

RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Atoms Combining, Exercise 6: Q

Author:RoseMarie Gallagher & Paul Ingram

RoseMarie Gallagher Chemistry Solutions for Exercise - RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Atoms Combining, Exercise 6: Q

Attempt the practice questions on Chapter 4: Atoms Combining, Exercise 6: Q with hints and solutions to strengthen your understanding. Complete Chemistry for Cambridge IGCSE® Second Edition solutions are prepared by Experienced Embibe Experts.