State the meaning of the term ionic bond.
Complete the dot-and-cross diagram in Fig. 2.1 for the ions in potassium sulfide. Show the charges on the ions.
Finish the diagram in Fig. 2.2 to show the ions present. Use '+' for sodium ions and '-' for chloride ions. One chloride ion has already been filled in for you.
State the name used for any positive ion.
State the name for this process.
Write the ionic half-equation for the reaction occurring at the anode when molten potassium bromide, KBr, is broken down by the passage of an electric current.
Name the products and describe the observations at the negative and positive electrodes when dilute aqueous potassium bromide, KBr, is broken down by the passage of an electric current. product at the negative electrode observations at the negative electrode products at the positive electrode .......... and .......... observations at the positive electrode