Witch of these is a mixture? a. calcium b. carbon dioxide c. salt water d. potassium

How are ionic bonds formed and what is the attractive force within an ionic bond

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

What is bromine+calcium iodide--> calcium bromide +iodine balanced