Name and describe the bonding present in potassium. Name Description
Give two physical properties of ionic compounds.
Complete the dot-and-cross diagram to show the ions' electron arrangement and charges in potassium sulfide.
State the flame colour seen.
State the formula of the ion responsible for alkalinity in a solution.
State the colour of litmus in a strong alkali.
Use the following steps. • Find the number of moles of potassium added. • Work out the number of moles of hydrogen gas formed. • Calculate the volume of hydrogen gas formed.
Name the dilute acid used.
State the type of reaction taking place.
Name the experimental technique used when salts are made by reacting a dilute acid with an aqueous alkali.
State the colour of the precipitate formed.
Name the precipitate formed.
Write the ionic equation for the reaction. Include state symbols.