Properties of Ionic Compounds To learn about the properties of ionic compounds, let us perform the following Activity: Activity 3.13 Take samples of sodium chloride, potassium iodide, barium chloride or any other salt from the science laboratory. What is the physical state of these salts? Take a small amount of a sample on a metal…

HOW DO METALS AND NON-METALS REACT? In the above activities, you saw the reactions of metals with a number of reagents. Why do metals react in this manner? Let us recall what we learnt about the electronic configuration of elements in Class IX. We learnt that noble gases, which have a completely filled valence shell,…