How can a whale change the surface of the earth?

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

Name the intersection of plane bpq and plane cpq.

Draw the lewis dot structure for each of the following polyatomic ions